正是基于这种寄生——宿主的这种关系，癌细胞才可以肆意生长。

Thanks to this parasite-host relationship, cancer can grow however it wants, wherever it wants.

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有些人在有机菜园里漫步，偶尔停下来，扶起肆意生长在外的西红柿。

Some wandered through the organic vegetable garden, stopping to prop up unruly tomato plants.

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这是因为在11月，许多西方男性选择把剃须刀扔一边，让他们小胡子在这一个月里肆意生长。

That's because November is the time when thousands of men choose to put down their *razors and let their top lips grow wild for four weeks.

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