因此，奥巴马提出一个和征收碳税很接近的办法，尽管稍微麻烦。

So Mr Obama proposed something very similar to a carbon tax, albeit slightly more cumbersome.

youdao

因此，奥巴马提出一个和征收碳税很接近的办法，尽管稍微麻烦。

So Mr Obama proposed something very similar to a carbon tax, albeit slightly more cumbersome.

youdao