从经济学的角度来看，说服思想开放的乳品业人士其实没有那么困难。

Convincing open-minded dairy people is actually not that hard when you look at the economics.

youdao

从经济学的角度来看，说服思想开放的乳品业人士其实没有那么困难。

Convincing open-minded dairy people is actually not that hard when you look at the economics.

youdao