Both changed inheritance trees, and passing objects to external functions could often make it non-obvious whether a method would or would not actually run when working with an object. For example.

不管在处理对象时是否实际运行了方法，修改继承树和将对象传递给外部函数经常会使这一点变得不那么明显。

youdao

Both changed inheritance trees, and passing objects to external functions could often make it non-obvious whether a method would or would not actually run when working with an object. For example.

不管在处理对象时是否实际运行了方法，修改继承树和将对象传递给外部函数经常会使这一点变得不那么明显。

youdao