The personal income tax is levied on individuals and these individuals have to pay it.

个人所得税是面向个人征收的,并且每个人必须支付

耶鲁公开课 - 金融市场课程节选

So these are the potential voters and and each of them is in the position that Fred Thompson was in, two weeks ago in the Republican Primary, when he's deciding whether to run or not.

这些是潜在选民并且,每个人都处于弗雷德·汤普森曾经的立场,就在两周前的共和党初选,当他考虑是否参加选举时

耶鲁公开课 - 博弈论课程节选