理解消費(fèi)者行為背后的心理學(xué)可以為營(yíng)銷和產(chǎn)品開(kāi)發(fā)解鎖強(qiáng)大的策略。
能量守恒定律不僅僅是一個(gè)抽象原則；它是已被無(wú)數(shù)實(shí)驗(yàn)驗(yàn)證的自然法則。
Optimists tend to interpret their troubles as transient, controllable, and specific to one situation. Pessimists, on the other hand, believe that their troubles last forever, undermine everything they do, and are uncontrollable.
The history of philosophy is not, like the history of the sciences, to be considered as a mere chronological record of discoveries and errors. It is the history of the human spirit in its endeavor to understand itself and its relation to the universe.