要理解心理学，就要在自然环境中观察行为。

"When I was a kid, I wanted to be Elvis. I wanted to be Michael. I wanted to be all those guys put together."

The meat processing industry must balance efficiency with sustainability—our future depends on it.

这种鹏鸟向南方的大海迁徙，拍打翅膀可以掀动三千里水面，乘着风势而上，直向九万里高空，离开北方南飞六个月，方才止息。山中浮动的雾气，空中弥漫的尘埃，都是因生物用气息相吹而形成。天深蓝，这就是它的本色吗？还是因为天无限高远，看不到边际？当鹏鸟俯视下界，所看到的也不过像这样而已。