Again, I don't have data to back this up, but just common sense suggests to me that the common case is if I'm on the subway platform I want to get on that train and maybe I want to get back and where are those two buttons, right?

此外，我没有数据来备份这个，但是常识告诉我，常见的情况是,如果我站在地铁站台上，我想乘上地铁,可能我还想回来,那么哪里能找到这两个按钮，对不？

哈佛公开课 - 计算机科学课程节选

We're talking about like, if you didn't, even if you had all your data on your computer backed up on hard drive,

如果你没有将你电脑里的数据备份到硬盘里，

没有智能手机活不了 - SpeakingMax英语口语达人

But it's more limited in its feature set but again will build backup to those features.

由于其自身的特点而很受限制,但是可以对这些特征进行备份。

哈佛公开课 - 计算机科学课程节选

In the course of backing itself up, there are sort of random events flash to consciousness and get put together in a coherent story.

在备份过程中，有些事件会随机地浮现到意识层面,被拼凑成一个连贯的故事。

耶鲁公开课 - 心理学导论课程节选

You really need that because if you have only one copy of something, you don't have a backup; so, you can store the one copy separately.

你真的很需要这项发明,因为要是你只有一份的话，你就没有备份;,这样的话，你就可以将副本单独留存。

耶鲁公开课 - 金融市场课程节选

Your brain backs itself up.

你的大脑会自己备份。

耶鲁公开课 - 心理学导论课程节选

SRC back One is called SRC for Source and one is called SRC.back which was my backup of today's source code in case I screw up.

其中一个叫SRC，用来装源代码，另一个叫,用来备份源代码，以防我搞砸了。

哈佛公开课 - 计算机科学课程节选

Almost--the best analogy here is backing up a computer.

最形象地说，这就像给电脑备份。

耶鲁公开课 - 心理学导论课程节选