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创新不仅仅是技术的问题;它是关于改变我们的思维和行动方式,为农业创造更美好的未来。
布莱克-斯科尔斯公式的美妙之处在于它仅依赖于一个不可观测的参数,即股票的波动率。
I used to think the world was broken down by tribes. Then I thought it was broken down by rich and poor. Then I thought it was broken down by stupid and smart. But I know now that it is broken down by people who are alive and people who are dead.
I'm like a head trip to listen to, 'cause I'm only givin' you things you joke about with your friends inside your living room.
事实是,我有一半的时间不知道自己在做什么,但我自信地去做。