多频同义词替换　　Advantage: benefit, positive aspect, strength, 好处 　　Disadvantage: weakness, drawback, negative aspect, fault不利 　　Casual: arbitrary, unplanned, unexpected, 随意的 　　Effective: efficient, effectual, fruitful, productive, valid多效的 　　Criticize: reproach, blame, 批评 　　Flaw: weakness, defect 缺点 　　Ability; capability, power, caliber能力 　　Dishonest: deceptive 不诚实的