现在环保成为了当今最关注的问题，世界都提倡低碳生活。

Today, environmental protection has become a concern. And the whole world is promoting Low-carbon life.

youdao

现在环保成为了当今最关注的问题，世界都提倡低碳生活。

Today, environmental protection has become a concern. And the whole world is promoting Low-carbon life.

youdao