原则: principle 短语和例子原则分歧 differences in principle; 原则上同意 agree in principle; 原则问题 a matter of principle; 原则性(的)错误 mistake in matters of principle; 基本原则 basic principle; axiom; 原则立场 principled s
历史: history; past records 短语和例子历史上 in history; down the ages; 隐瞒自己的历史 conceal one's past record; 用历史观点看问题 look at the problem from a historical point of view; 历史背景 historical background; 历史博物馆
