但是在这同时，世界上最大的几家能源公司已经获得了勘探许可权。

But in the mean time, exploration concessions have been granted to some of the biggest energy companies in the world.

youdao

但是在这同时，世界上最大的几家能源公司已经获得了勘探许可权。

But in the mean time, exploration concessions have been granted to some of the biggest energy companies in the world.

youdao