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.
If you want to be given everything, give everything up.
故事的真实性取决于它唤起的情感。
统计学家不能逃避理解他所应用或推荐的过程的责任。
希望是一幅美好的早餐,但却是一顿糟糕的晚餐。