Already some renewable technologies, such as wind power, are economically viable, he says.

Stuggins说，现在已经有些可再生能源技术(如风力发电)具备了经济可行性。

youdao

Already some renewable technologies, such as wind power, are economically viable, he says.

Stuggins说，现在已经有些可再生能源技术(如风力发电)具备了经济可行性。

youdao