Cooking and cleaning can be complicated things, and they can take your time away from your kids.

做饭和清洁很费事，而且会剥夺你和孩子们相处的时间。

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Without interest we would shy away from new or complicated things because they tend to make us nervous.

如果没有兴趣，新的和复杂的事物会使我们紧张，我们可能会胆怯的逃离。

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'A good scientist will make complicated things seem simple, because they're all actually arrived at from simple principles.

一个好科学家会让复杂的东西看上去很简单，因为它们实际上都是由简单的原则构成的。

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Right, having done that, we can certainly get to more complicated things, so for example, suppose I look at that expression.

好，说完了这一点，我们就可以讲些复杂些的话题了，例如，假设我看到了这个表达式。

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and then finally you get him to also open up the refrigerator and get the beer, open the door, and in that way you can train creatures to do complicated things.

最终你还是让他打开了冰箱,取出了啤酒，打开冰箱门，用这种方法,你可以训练各种生物去做些复杂的事情。

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Then, of course, you can do more complicated things.

接下来我们就能解决一些更复杂的问题

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For someone who must remain in constant contact with Mets players and executives, the butt dialing has complicated things a bit.

WSJ: The King of the Accidental Phone Call

But, by taking over the simple part of many jobs, they improve the productivity of skilled human beings doing complicated things.

ECONOMIST: The changed nature of work

These sources say Kyprianou still hopes a release could happen Thursday, but the Wednesday night raid on Belgrade may have complicated things.

CNN: NATO strikes target Serb ground forces, complicate GI release efforts