家庭是一个生产和消费商品与服务的小工厂。

要理解心理学，就要在自然环境中观察行为。

You'd say he did it to please the guards. Or maybe it's in order to do a good job with us. And I thought he was just to experience the feeling of a normal person again, even just for a short moment.

一致性将优秀的烘焙师与伟大的烘焙师区分开来。

"I like dogs. You always know what a dog is thinking. It has four moods. Happy, sad, cross and concentrating."

规模养殖的核心是标准化，标准化的前提是科学化。