9%的利息减去7%的通货膨胀率等于2%。9 percent interest less 7 percent inflation equals 2 percent.给字母表里的每个字母赋予相应的数值——A等于1，B等于2，等等。Assign the letters of the alphabet their numerical values — A equals 1, B equals 2, etc.一英寸大约等于2.5厘米.An inc...