常用词会用上层词汇替代答:cheap→common,bargain,budget,economical,inferior,vulgar natural,native(天生,固有的)→inherent clear,express(清楚,明显的)→plain,apparent,comprehansiable,obvious funny,strange→abnormal,eccentric,exceptional,irregular nice(老练的,微妙的)→delicate,faint,profound final,great,high,last,(非常的,...