Our country has spent billions of dollars to help the underdeveloped nations improve their standard of living.

我们国家已花了好几十亿元去帮助低开发国家，改善他们的生活水平。

youdao

Our country has spent billions of dollars to help the underdeveloped nations improve their standard of living.

我们国家已花了好几十亿元去帮助低开发国家，改善他们的生活水平。

youdao