The discussion focused on three main problems.

讨论集中在三个主要问题上。

《牛津词典》

The way I see it , you have three main problems.

我认为你有三个主要问题。

《牛津词典》

There are three main problems with the ROI/payback period method

ROI/偿还期方法有三个主要问题

youdao

There are three main problems with the ROI/payback period method

ROI/偿还期方法有三个主要问题

youdao