There are three main issues that we need to direct our attention to.

我们需要注意的主要有三个问题。

《牛津词典》

In Rico's post he also talks about memory issues and list three main sources of bad consumption.

在Rico的博文中，他也谈到内存的问题，并列出了三个主要的资源消耗情况。

youdao

To clarify these three issues on the basis of their own, we use "understand" as the main thread, and do a brief comparative analysis, trying to draw some useful views.

在先弄清楚这三个不足的基础上，以理解为主要线索，对它们做简要的比较浅析浅析，试图得出一些有益的看法。

youdao

Mr Hugh Henry said the three main issues that arose from the reports were transparency, data collection and governance.

BBC: Public Audit Committee debate