拉兹：那么从理论上讲，你可以有好几个小时的时间为病人做手术了。

RAZ: So in theory, you could work on a patient for a few hours.

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但是对于那些确实担心为肘关节做手术结果却是换了个钛合金髋关节这一情况发生的病人，最终的防卫线或许是最有力的：大声说出来。

But for those patients who do worry about the prospect of going in for elbow surgery and coming out with a titanium hip, the final line of defense may be the most powerful: speak up.

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为艾滋病人做手术无疑有危险，一旦手术刀划破手指，或血液喷入眼部等部位，医护人员就有感染的危险。

There was no doubt for the AIDS risk of surgery, once the scalpel cut through fingers, or blood injected into the eye and other parts, health care workers at risk of infection.

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