usefulness of accounting data
会计数据的用途
economic usefulness
经济实用性
decline in economic usefulness
经济效用减低
usefulness of static condensation
静态压缩的用途
use manpower and material sparingly
爱惜人力物力
Usefulness of liquidity ratios
流动性比率的作用
use sth. as a target
把当作靶子
outlive one’s usefulness
衰老无用
Use of punctuations marks
标点符号用法
The Usefulness of the Stage
戏剧文学的效应