但预计这一比例未来几年还会增加，因为墨西哥和俄罗斯等非欧佩克产油国的石油产量将出现下降。

But that slice is expected to increase in coming years as output decreases in non-OPEC countries such as Mexico and Russia.

youdao

但预计这一比例未来几年还会增加，因为墨西哥和俄罗斯等非欧佩克产油国的石油产量将出现下降。

But that slice is expected to increase in coming years as output decreases in non-OPEC countries such as Mexico and Russia.

youdao