There are a number of problems that must be dealt with, he says.

他说，还有很多问题必须解决。

youdao

There must be construction site management problems on the construction site.

建筑施工在现场进行就必然有施工现场管理问题。

youdao

There must be construction site management problems on the construction site.

建筑施工在现场进行就必然有施工现场管理问题。

youdao