释义：不管物品的大小如何，当供不应求时，它就会变得珍贵。

Life is 10% what happens to you and 90% how you react to it.

跨行业合作是解决世界上最严峻挑战的关键。

The rule, or measuring rod, which the behaviorist puts in front of him always is: Can I describe this bit of behavior I see in terms of "stimulus and response"?

记忆是我们随身携带的日记。