孩子们一起回家去了，他们心里非常高兴。如果他们没有死，他们现在一定还活着。

The children went home together, and were heartily delighted, and if they have not died, they are living still.

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他们还认为，生产率的衡量忽略了如果没有对 IT 进行投资会发生的情况：生产率的增长可能更低。

They also argued that measures of productivity ignore what would have happened without investments in IT—productivity gains might have been even lower.

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在第二个家庭中，另一个已故妇女的儿子说：“如果我没有坚持让我母亲去佛罗里达，她今天应该还活着。”

At the second home, the son of the other deceased woman said, "If only I hadn't insisted on my mother's going to Florida, she would be alive today."

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So if you haven't already, just glance at the person next to you, or say hello if you don't know them.

如果你还没有做好，那就看看你旁边的人,如果你不认识他们就跟他们打个招呼。

哈佛公开课 - 计算机科学课程节选

Of course, we haven't yet asked ourselves, how should you live ? if you recognize and take into account those facts?

当然，我们还没有问自己，你该怎样活着,如果你认识到了并考虑了这些事实？

耶鲁公开课 - 死亡课程节选

We have not yet perfected the art of entering and exiting this classroom yet, we're still working on that. Raise your hand if you need notes and we'll make sure we get those to you.

我们目前还没有把,进出教室的技术做的很好，我们仍在做这件事,如果你没有拿到讲义请举手,我们会被把讲义发给你。

麻省理工公开课 - 化学原理课程节选