当你担心时，当然你是在思考坏的事情；你仔细观察他们，你反复在脑海中感受各种情形；你实实在在感受着压力。

When you worry, you, of course, are pondering on ”bad” things; you see them in vivid detail, you experience those situations in your mind; you literally feel the stress.

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我们设法搞来另外两个显示器接上，但是原本这块LED背光的显示器已经足够大部分的应用了，而且屏幕足够亮，效果也够华丽——当然你是知道的。

We managed to get two additional displays lit up, but the LED-backlit monitor here is more than spacious enough for most use, and is certainly bright and gorgeous enough too — but you knew that.

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你得了那种可怕的病当然是很不幸。

You certainly were unlucky to get that horrible illness.

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Obviously we don't expect you to know exactly what the distances are, but you should be able to compare them relatively.

当然我们不要求你么,要能知道具体这些位置是多少，但你们要能够相对比较它们。

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of course you want to do some club activities too because you're human, so.

当然你还想参加俱乐部活动，因为你是人嘛，就这样。

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So, fuel economy and environmental conservancy make a lot of sense if you care about such things, of course.

所以，油价和环境保护,是很有意义的,如果你关心这样的事，当然会更好。

麻省理工公开课 - 固态化学导论课程节选