可持续性不再是一个选择；它是乳制品农业未来的必需品。

"Drawing is the honesty of the art. There is no possibility of cheating. It is either good or bad."

A person who is too nice an observer of the business of the crowd, like one who is too curious in observing the labor of bees, will often be stung for his curiosity.

创新和务实必须齐头并进。