事实上，这个过程可能会在克隆的基因中嵌入一些小的缺陷，而科学家们直到现在才发现这些缺陷。

In fact, the process can embed small flaws in the genes of clones that scientists are only now discovering.

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不过，这另一半闯入者直到现在才发现。

The interloper, though, has never been found—until now.

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我现在才发现用手吃饭更加自由，而且更加自然。

I am now realizing that using fingers is freer, and also more natural.

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