效率: productiveness; efficiency; productivity; workpiece ratio 短语和例子效率低 inefficient; 效率高 efficient; 提高效率 promote efficiency; 效率首屈一指 second to none in efficiency; 投资效率 the efficiency of investme
普通: common; general; ordinary; plain; honest; private; trile; average 短语和例子普通一兵 an ordinary soldier; a soldier in the ranks; a rank-and-filer; 普通人 the average person; the man in the street; 这是