Although he called the U.S. decision to lift restrictions on Cuban-Americans to visit or send money to relatives in Cuba a "positive step,"

VOA: standard.2009.09.29

Here's a, actually here it did take 25 years, but they did, they did eventually step on before we started drinking 7-Up.

这个过程，这个过程真的花了二十五年的时间，但是他们做到了，他们在我们喝七喜之前制止了加锂的行为。

麻省理工公开课 - 化学原理课程节选

But I imagine that after a period, there'd be this-- Well, humans have this ability to look down on their experiences, or step back from their experiences, and assess them.

但我想经过一段时间后-,人类有能力审视自己的体验，或从体验中抽身而出加以评估。

耶鲁公开课 - 死亡课程节选

She says the first step is to determine if Madni was on a stop-over there and if so, other legal action will be set in motion.

VOA: standard.2009.07.28

So, we start on C and then we go up to D-- a whole step.

我们从C开始,然后上升到D,一个全音级

耶鲁公开课 - 聆听音乐课程节选