remainder

剩余物, 其他人, 残余, 余数

something left after other parts have been taken away; the part of the dividend that is left over when the dividend is not evenly divisible by the divisor; the number that remains after subtraction; the number that when added to the subtrahend gives the minuend

削价出售(图书)

sell cheaply as remainders

剩余的, 出售削价剩书的