您要查找的是不是：
- 方差variance
- 差分difference
- 标准差root-mean-square error (RMS error)
- 净资产收益率net assets income ratio
- 差一点by a finger's breadth
- 差的inferiors
- 内部收益率internal rate of return
- 很差no chop
- 资产收益率return on assets
- 不差little short of
- 差旅travel
- 财务内部收益率financial internal rate of return(FIRR)
- 较差discrepancy
- 容差admittance
- 压差psid
- 方差分析analysis of variance
- 协方差covariance
- 变差variation of rate
- 越来越差worse and worse
- 差速器compensating gear
