So while our personal history can help us understand how or why things may have become the way they are today, it often cannot actually tell us what to do to change things right here and now.

所以当我们个人的历史能够帮我们明白如何或为什么事情会变成今天这个样子，事实上，它经常不能够告诉我们此时此刻做什么可以改变事情。

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As soon as people step out of the lab, they again become their normal selves-and perhaps start to use their handheld devices in a completely different way from what they just told us they usually do.

一旦人们走出实验室，他们会回原来的自己——开始使用他们自己的手持设备，但与刚刚他们告诉我们他们经常操作的方式完全不同。

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Well, one way would be to isolate individual cells and culture them outside the body and see what they become.

一个方法就是分离单独的细胞,然后进行体外培养看看结果

耶鲁公开课 - 生物医学工程探索课程节选

Why do these cells become cancer cells, and then once they do, what makes them behave the way they do?

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That combustible mix of charm and intellect was on vibrant display last week as the two men grinned their way from photo op to photo op, cementing what they clearly hope will become a fast friendship of mutual interest and political romance.

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