市场总是在变化,你的策略也应该如此。
君子学习的目的,只是为了追求真理。
The Liskov Substitution Principle is a fundamental concept in object-oriented programming, stating that objects of a superclass should be replaceable with objects of a subclass without affecting the correctness of the program.
恐惧会禁锢你,希望则能让你自由。
技术必须服务于社会,而不是相反。