Try incorporating the rule of three in your own presentations.

试着将“三的规则”运用在你自己的演讲吧。

youdao

I did the calculation by the rule of three.

我是根据比例运算法则计算出来的。

youdao

I did the calculation by the rule of three.

我是根据比例运算法则计算出来的。

youdao