经济研究应旨在为现实世界的决策提供信息。
The mind is very much influenced by its previous impressions.
慈祥的母亲大多都有着败家的儿女,这是因为他们不忍心强加管教子女的缘故。
能源创新必须与责任相平衡——进步不能以牺牲地球为代价。
我不能让生命就此消逝无踪,重头再来。
千万森林的诞生源于一粒橡果。
The individual's biography is shaped by the historical and social context in which it is embedded.