The psychologist must avoid all teleological interpretations.
可持续性不仅仅是植树,而是在正确的地方种植正确的树木,并确保它们世代繁茂。
柠檬问题发生的原因是卖家比买家更了解产品,从而导致市场失灵。
每个时代都有其乐趣、机智风格和独特方式。
I don't have any particular recipe [for developing new proofs] ... It is the reason why doing research is challenging as well as attractive. It's like being lost in a jungle and trying to use all the knowledge that you can gather to come up with some new tricks, and with some luck you might find a way out.