"Our party also visited what is left of Frankfurt and Darmstadt.

VOA: special.2011.07.28

So, what we do as our seventh step is then figure out if we have any extra valence electrons left at all.

那么，第七步要做的是看看,我们还有没有剩下的价电子。

麻省理工公开课 - 化学原理课程节选

Now, to get to the number of neutrons, what we do is go up here to the upper left.

现在，看看中子数，我们要做的，是看到这左上方。

麻省理工公开课 - 固态化学导论课程节选

The concern is based on not just what is in the bill but what is left out.

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Every new store or factory is purchased with what is left after paying taxes.

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But then again, now that all of this news is out, what is left to report when it announces Q4 numbers in a couple of weeks?

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