We must keep on fighting until we find ways to protect the environment from being polluted, and do away with pollution.

我们要坚持斗争，直到我们找到解决环境污染的办法。

youdao

We must keep on fighting until we find ways to protect the environment from being polluted, and do away with pollution.

我们要坚持斗争，直到我们找到解决环境污染的办法。

youdao