树木的力量在于其根基,正如企业的力量在于其价值观。
股市是一个没有三振出局的游戏。你不需要对每件事都挥棒——你可以等待你的投球。
The Liskov Substitution Principle is a fundamental concept in object-oriented programming, ensuring that derived classes can be used in place of their base classes without altering the correctness of the program.