以下是引用xuezi2046在2008-9-11 15:43:00的发言:
x+1 x plus one
x1 x minus one
x-1 x plus or minus one
xy xy / x multiplied by y
(xy)(x+y) x minus y, x plus y
x
x over y
y[payto](seller)@(/seller)(subject)(/subject)(body)(/body)(price)10(/price)(transport)3(/transport)(ordinary_fee)(/ordinary_fee)(express_fee)(/express_fee)[/payto]
非常感谢!