莱勒说，只有当我们遇到问题时，大脑的这个区域才会工作。

Lehrer says that this area of the brain lights up only after we've hit the wall on a problem.

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当我们青少年在与父母相处上遇到问题时，有必要站在父母的角度想想。

When we teenagers have problems in getting on well with parents, it's necessary to put ourselves in our parents' shoes.

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否则，当我们在放样里使用扭曲时，我们会遇到问题，因为扭曲在空间上并不是均等的。

Otherwise, when using Twist in Loft for example, we might have problems because the twist will not look evenly spaced.

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We took the problem of size a thousand, we divided it in half.

当我们遇到一个规模为一千左右的问题时，会将其分为两部分。

哈佛公开课 - 计算机科学课程节选