But I can't go back to what it was like in the early days, just like you can't go back to what it was like to be four or three.

但再早之前的事情就记不得了，就像你想不起你三四岁时候的事情一样。

耶鲁公开课 - 死亡课程节选

so at the moment when I can't go back to see her, I go to training academies.

所以我不能回去找她的时候，我就去培训学校。

做头发是免费的 - SpeakingMax英语口语达人

And here's a little trick -- and again, we promised to point -- out little tricks of the trade -- if I know I want to execute the last command I typed that started with an m, bangm will actually figure out what that command was and redo it for me so I don't have to figure it out, or you can go back in time in a terminal window.

这里有个小技巧--此外，我们许诺指出行业中的,一些小技巧-,如果我知道我想执行我写入的上一个命令,是以m开头的，！m会明白那个命令是什么,然后为我恢复上次操作,所以我不需要明白它，或者你可以回到,那个终端窗口。

哈佛公开课 - 计算机科学课程节选