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企业最基本的经济活动是 。
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Picture-taking is a technique both for reflecting the objective world and for expressing the singular self. Photographs depict objective realities that already exist, though only the camera can disclose them. And they depict an individual photographer"s temperament, discovering itself through the camera"s cropping of reality. That is, photography has two directly opposite ideals, in the first, photography is about the world and the photographer is a mere observer who counts for little; but in the second, photography is the instrument of fearlessness, questing subjectivity and the photographer is all. These conflicting ideals arise from uneasiness on the part of both photographers and viewers of photographs toward the aggressive component in "taking" a picture. Accordingly, the ideal of a photographer as observer is attracting because it implicitly denies that picturetaking is an aggressive act. The issue, of course, is not so clear-cut. What photographers do cannot be characterized as simply predatory or as simply, and essentially, benevolent. As a consequence, one ideal of picture-taking or the other is always being rediscovered and championed. An important result of the coexistence of these two ideals is a recurrent ambivalence toward photography"s means. Whatever are the claims that photography might make to be a form of personal expression just like painting, its originality is closely linked to the power of a machine. The steady growth of these powers has made possible the extraordinary informativeness and imaginative formal beauty of many photographs, like Harold Edgerton"s high-speed photographs of a bullet hitting its target or of the swirls and eddies of a tennis stroke. But as cameras become more sophisticated, more automated, some photographers are tempted to disarm themselves or to suggest that they are not really armed, preferring to submit themselves to the limit imposed by pre-modern camera technology because a cruder, less high-powered machine is thought to give more interesting or emotive results, to leave more room for creative accident. For example, it has been virtually a point of honor for many photographers, including Walker Evans and Cartier Bresson, to refuse to use modern equipment. These photographers have come to doubt the value of the camera as an instrument of "fast seeing". Cartier Bresson, in fact, claims that the modern camera may see too fast. This ambivalence toward photographic means determines trends in taste. The cult of the future (of faster and faster seeing) alternates over time with the wish to return to a purer past when images had a handmade quality. This longing for some primitive state of the photographic enterprise is currently widespread and underlies the present-day enthusiasm for daguerreotypes and the work of forgotten nineteenth-century provincial photographers. Photographers and viewers of photographs, it seems, need periodically to resist their own knowingness.Notes:crop vt. 播种,修剪(树木)收割count for little 无关紧要predatory 掠夺成性的champion n. 冠军；vt.支持benevolent 好心肠的ambivalence 矛盾心理make (+不定式) 似乎要: He makes to begin.(他似乎要开始了)swirls and eddies 漩涡cult 狂热崇拜daguerreotypes (初期的)银板照相法 The two directly opposite ideals of photography differ primarily in the
目前，各运营商的IP电话资费主要实行 。
通信企业中，企业成本和专业成本的主要差异在于后者的成本核算对象是 。
The domestic economy in the United States expanded in a remarkably vigorous and steady fashion. The revival in consumer confidence was reflected in the higher proportion of incomes spent for goods and services and the marked increase in consumer willingness to take on installment debt. A parallel strengthening in business psychology was manifested in a stepped-up rate of plant and equipment spending and a gradual pickup in expenses for inventory. Confidence in the economy was also reflected in the strength of the stock market and in the stability of the bond market. For the year as a whole, consumer and business sentiment benefited from the ease in East-West tensions. The bases of the business expansion were to be found mainly in the stimulative monetary and fiscal policies that had been pursued. Moreover, the restoration of sounder liquidity positions and tighter management control of production efficiency had also helped lay the groundwork for a strong expansion. In addition, the economic policy moves made by the President had served to renew optimism on the business outlook while boosting hopes that inflation would be brought under more effective control. Finally, of course, the economy was able to grow as vigorously as it did because sufficient leeway existed in terms of idle men and machines. The United States balance of payments deficit declined sharply. Nevertheless, by any other test, the deficit remained very large, and there was actually a substantial deterioration in our trade account to a sizable deficit, almost two thirds of which was with Japan. While the overall trade performance proved disappointing, there are still good reasons for expecting the delayed impact of devaluation to produce in time a significant strengthening in our trade picture. Given the size of the Japanese component of our trade deficit, however, the outcome will depend importantly on the extent of the corrective measures undertaken by Japan. Also important will be our own efforts in the United States to fashion internal policies consistent with an improvement in our external balance. The underlying task of public policy for the year ahead—and indeed for the longer run—remained a familiar one: to strike the right balance between encouraging healthy economic growth and avoiding inflationary pressures. With the economy showing sustained and vigorous growth, and with the currency crisis highlighting the need to improve our competitive posture internationally, the emphasis seemed to be shifting to the problem of inflation. The Phase Three program of wage and price restraint can contribute to reducing inflation. Unless productivity growth is unexpectedly large, however, the expansion of real output must eventually begin to slow down to the economy"s larger run growth potential if generalized demand pressures on prices are to be avoided.Notes:inventory 存贷East-West tensions 东西方紧张局势fiscal (怀国库的钱有关的)财务的(常指税收)liquidity 周转率，清偿力leeway 余地given 鉴于，由于the Phase Three program 第三阶段计划 Paragraph 2 mainly deals with
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