感染的危险只限于那些与病人有亲密接触的人。 (be confined to)
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只要他守规矩,我倒不在乎他晚上在外呆得这么晚。 (mind + V-ing)
Other than academic success, what has been your greatest achievement to date.?
Wherever they are now, black people are descended from Africans, but over the centuries their geneti
As a responsible manufacturer, we are more than concerned about the environment; we are actively inv