Don't let the noise of others' opinions drown out your own inner voice.
在没有其他信息的情况下，参数的最佳估计是其样本值。
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.
Biology is the study of complicated things that give the appearance of having been designed for a purpose.