国际体系的无政府性质意味着国家必须依靠自助来确保其生存。
The anarchic nature of the international system means that states must rely on self-help to ensure their survival.
我们都有缺陷，这就是光进来的地方。
The border between dream and reality is thinner than we think.
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.