He had told a friend, "You come to realize that life is short, and you have to step up.

VOA: special.2010.02.07

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

Right? You're kind of caught up, but you step back and say, "That's just insane."

你被卷入其中了,但当你退出来时会说,"真是太疯狂了"

耶鲁公开课 - 死亡课程节选

Rather than step up the alarm, believers in a global warming crisis need to step up the realism.

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It is not a clean product by any means so step two is cleaning it up (step one is the use of molasses since it is a by-product).

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The first thing you do is build a realistic step-by-step program to build up your endurance based on your starting point.

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