为了提供一个清洁和宜居的环境，我们必须想出有创意的解决办法。

We have to work out imaginative solutions to provide a clean and pleasant living environment.

youdao

为了提供一个清洁和宜居的环境，我们必须想出有创意的解决办法。

We have to work out imaginative solutions to provide a clean and pleasant living environment.

youdao