動詞 subtract:

1. make a subtraction
   同義詞：deduct, take off

1. At this age, you should be able to subtract one fraction from another.
   在你這個年齡，你應該會演算分數(shù)減法了。
2. After subtracting food and energy costs, which can vary widely each month, the Producer Price Index for Finished Goods still rose at a moderately fast clip of four-tenths of1 percent, compared with a two-tenth rises in April.
   減去食物與能源的費用以后——這兩項每月可能大幅變動——成品制造價格指數(shù)仍以略快的速度攀升百分零點四，相形之下，四月份僅上升零點二。
3. If you subtract 2 from 8, you get 6.
   8減去2是6。