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大脑是一个复杂的系统,我们才刚刚开始理解它是如何工作的。
The brain is a complex system, and we are just beginning to understand how it works.
认为有一个钟声会告诉投资者何时进入或退出市场的想法根本不可信。
You cannot step into the same river twice.
The only way you can write the truth is to assume that what you set down will never be read.