先: 名词1.(时间或次序在前的) earlier; before; first; in advance 短语和例子有言在先 make clear beforehand; 争先恐后 strive to be the first and fear to lag behind; 你不必先付款。 you don't have to pay in advance. 你先拟个提纲再写。 m
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
