Teenagers learn by closely observing what people around them do.

通过密切观察青少年学习身边的人做什么。

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And here, suddenly, was someone who had been observing us closely for a month.

而现在，突然有那么一个人仔细观察了我们一个月。

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And here, suddenly, was someone who had been observing us closely for a month.

而现在，突然有那么一个人仔细观察了我们一个月。

youdao