So water shortage has become one of the most serious problems.

所以水资源短缺已经成为一个很棘手的难题。

youdao

So water shortage has become one of the most serious problems.

所以缺水已经成为最严重的问题之一。

youdao

So water shortage has become one of the most serious problems.

所以缺水已经成为最严重的问题之一。

youdao