But he points out that President Obama must walk a fine line: encouraging democratic change without threatening regime change.

VOA: standard.2010.05.19

And you are thinking to yourself, "Ok,fine. So university,academia must make itself with action.

你可能会想，“好，学术界要结合实践做研究。

哈佛公开课 - 幸福课课程节选

Say, you look fine. You must really be doing okay down here.

你气色很好啊,一定在下面过得不错

耶鲁公开课 - 古希腊历史简介课程节选