假如可以选择时光，我想回到过去。那里有我的怀念，和爱我的你。

If you can choose the time, I want to go back to the past. There is my memory, and love me you.

youdao

在最近这几天里发生了太多太多的事了，而现在，我想回到过去那平静的生活。

Many things have happened over the last days and I want to get back to a normal life.

youdao

我想回到过去然后紧紧的抱着你紧紧地。我不知道怎么去爱你，看着你是我唯一能够爱你的方式。

I want to travel to the past, and hold you tightly. I don't know how to love you, looking at you is the only way I know.

youdao

And if I want to detach it, I just click and drag, and now I can go back and put different puzzle pieces there altogether.

另外，假如我想分离它，我只需要单击并拖动，然后就可以回到过去那个状态,再继续把不同的拼图放到一起。

哈佛公开课 - 计算机科学课程节选