In a Labor Day speech before union workers on Monday, Mr.Obama said it is time for lawmakers to end the debate over health care and pass legislation for him to sign.

VOA: standard.2009.09.08

And he traveled by train. And so to pass the time, he would play solitaire.

他坐火车旅行，为了打发时间，他会玩纸牌。

麻省理工公开课 - 固态化学导论课程节选

If you have been investing in the time that I have asked you to, you will pass handily.

如果这次你在我要求你的时间已经调研过,你会轻松的过的。

麻省理工公开课 - 固态化学导论课程节选