A. 投资者的偏好不同 B. 投资者的风险承受力不同 C. 投资者的边际税率不同 D. 公司的风险水平不同
A. absolutely B. more C. quite D. a lot
A. speak B. discuss C. talk D. debate
A. common B. different C. positive D. negative
A. widely B. heavily C. seriously D. broadly