They can have an identical twin which takes over should the original fail.
还可以有相同的虚拟机备份，原先的进程有问题另外一个可以接上。
如果他们失败了呢？
But he added both bids could fail should they not be generous enough.
但是他补充道，如果他们不够大度的话，两家的竞购都可能失败。
People often fail to blow the whistle when organizational conditions suggest they should.
人们往往不能打击的哨子组织条件时，建议他们应。
In the long run men hit only what they aim at. Therefore, though they should fail immediately, they had better aim at something high.
往长远处看去，人类总能达到他们的目标的，因此尽管事情一时之间是要失败的，目标还是不妨定得崇高些。
In the long run men hit only what they aim at. Therefore, though they should fail immediately, they had better aim at something high.
往长远处看去，人类总能达到他们的目标的，因此尽管事情一时之间是要失败的，目标还是不妨定得崇高些。
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