We think of our bodies as our own, but actually only a tenth of our cells are human.

我们认为自己的身体是只属于我们自己的，但事实上身体中只有十分之一的细胞属于人类细胞。

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Actually, only a little bandwidth is used frequently, whereas a great deal of bandwidth is idle.

实际上只有少量频带使用率较高，大量频带长期闲置。

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Actually, only a little bandwidth is used frequently, whereas a great deal of bandwidth is idle.

实际上只有少量频带使用率较高，大量频带长期闲置。

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