And if the leads fail, removing them may require major surgery.

而如果导线发生故障，患者需要接受大手术才能取出导线。

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We fear we might fail and that fear leads us to cook up stories about why you can't have what you want.

我们担心我们可能失败，这种担心使我们伪造了关于为什么我们得不到我们想要的故事。

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Permitting nesting leads to situations where the internal transactions succeed, but the parent can still fail — so how do you roll back previously committed children?

允许嵌套会导致内部事务成功，但父事务仍旧可以失败的情况——那么您如何回滚先前提交了的子事务呢？

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