说话算话，不要一次又一次的重复。

When you say it, mean it. The first time.

youdao

然后是一次又一次的重复。

Then again, and again.

youdao

这样我将不得不一次又一次的重复上面的操作。

I would have had to go through the procedure above over and over again.

youdao

And so I repeat, and so I repeat and one of the visuals meant to be conveyed by this-- this scale here is now I know that this guy is the smallest.

一次又一次地重复这样的比较,这个天平在此传达的信息是,我知道了这个杯子是最轻的。

哈佛公开课 - 计算机科学课程节选