如果确认消息丢失怎么办？

What if the acknowledgement message gets lost?

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如果确认过敏，最好最简单的方法就是避免接触这些材质。

And if you are sensitive, the best thing to do is simply avoid the material.

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审判的每一阶段都现场直播，如果确认有罪，莫里医生将面临四年监禁。

Every step of the trial has been broadcast live. Doctor Murray faces up to four years in prison if convicted.

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So, let's go ahead and make sure we can draw that, if we have interest either in the area of organic chemistry or biochemistry or biology here.

那么，让我们来确认一下我们已经学会怎么画了，如果我们对有机化学,生物化学或者生物学中的任何一个领域感兴趣的话。

麻省理工公开课 - 化学原理课程节选

So hopefully if some of you have your calculators with you, you can confirm the answer that I got, which is that the energy is 7.82 times 10 to the -19 joules.

所以如果你们带了计算器,希望你们也能确认一下，我们算出的答案，能量等于,7，82乘以10的-19次方焦耳。

麻省理工公开课 - 化学原理课程节选

There is also the constant, creative tension around experimentation and making sure everyone in the organization feels it's better to experiment, fail and then move on and experiment again than to not do that.

而且，在技术试验上，他总会持续迸发出创造性的火花,在这之前，马克会去确认,团队里的每一个人是否同意试验，如果第一次失败，我们会继续,而不是停止试验。

斯坦福公开课 - 扎克伯格谈Facebook创业过程课程节选