1、
likely to change frequently often without apparent or cogent reason; variable.
倾向于经常没有明显或者有力理由的频繁变化；易变的。
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2、
Wraparound rise main reason has: 1 . Cogent executed principle of distribution according to work.
概括起来主要原因有: 1. 切实实行了按劳分配原则.
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