要快乐,我们不必太在意别人。
No one likes being alone. We just don't want to make friends reluctantly. If we did that, we'd probably just be disappointed.
理解布莱克-斯科尔斯模型的关键在于认识到它是基于创建无风险对冲的理念。
精准农业不是奢侈品,而是可持续养活世界的必需品。
我们在亚马逊有三个大的想法,我们坚持了18年,这就是我们成功的原因:把客户放在第一位。发明。并且要有耐心。
The happiest people don’t have the best of everything; they make the best of everything.