Similarly, if an error occurs, the invoker of the procedure needs to decide whether to roll back the process to that point or not.
同样，如果发生错误，那么过程的调用者需要决定是否将过程回退。
The point of a climate treaty, then, isn't so much to roll things back as to keep them from getting a whole lot worse—a worthy and important goal, if not a particularly inspiring one.
这个即将签署的气候协议的意图并不是要把事情倒回去以免越变越坏。它能发挥的作用如果不是什么特别鼓舞人心的事情的话，那么它能做到的就是去达成一个值得去做且至关重要的目标。
One usage of the snapshot feature may be to roll back a corrupted HDFS instance to a previously known good point in time.
一个使用可能快照功能的情况是一个失效的HDFS实例想要回滚到之前一个已知是正确的时间。
At this point I started to roll my eyes back in my mind, but heck, maybe he's for real, and he sounds interested in training, so I continued to help him out.
在这一点上我开始唱名我的眼睛回在我心目中，但赫克，也许他的实质，他的声音有兴趣的训练，所以我继续帮助他。
You can save the current state of the file before the user changes it and then roll back to that at a later point.
你可以在用户改变文件之前保存当前的状态，之后可以进行恢复。
James Hansen, wrote in a recent letter: "We have not passed a point of no return. We can still roll things back in time but it is going to require a quick turn in direction."
JamesHansen，在最近的一封信函中写道：“情况尚未到无可挽回的地步，我们仍可及时力挽狂澜，但是要立即采取行动，赶紧回头。”
James Hansen, wrote in a recent letter: "We have not passed a point of no return. We can still roll things back in time but it is going to require a quick turn in direction."
JamesHansen，在最近的一封信函中写道：“情况尚未到无可挽回的地步，我们仍可及时力挽狂澜，但是要立即采取行动，赶紧回头。”
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