美国的农场一般都是全自动化操作的，只需投入少量的劳动力。

The farms in America usually operate by automation so they only need to put in few labors.

youdao

美国的农场一般都是全自动化操作的，只需投入少量的劳动力。

The farms in America usually operate by automation so they only need to put in few labors.

youdao