经济学方法为理解所有人类行为提供了一个有价值的统一框架。
"A story has no beginning or end: arbitrarily one chooses that moment of experience from which to look back or from which to look ahead."
"A story has no beginning or end: arbitrarily one chooses that moment of experience from which to look back or from which to look ahead."
Sustainable forestry isn't just about cutting trees, it's about growing civilizations.
我们必须像投资技术一样投资于人;两者对进步都至关重要。