你的后脑勺也许没有眼睛，但你无疑有一副全方向的耳朵。

You may not have eyes in the back of your head but you certainly have omnidirectional ears.

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当日夏初就在这同一条路上，他们驾车走的是相反的方向，当时他曾坚持要吻她，而现在他已经全忘光了。

He had quite forgotten his struggle to kiss her when, in the early summer, they had driven in the opposite direction along the same road.

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更为重要的是，如果您现在也考虑这个如何生存的问题，那么一旦有需要的时候您就会对改变方向做好万全的准备。

What's more, if you think about how to survive now, you'll be well prepared to change direction if the need arises.

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