They give 10% discount for/in/at cash payment?哪几个对?
问题描述：
They give 10% discount for/in/at cash payment?哪几个对?
They give 10% discount for cash payment?
They give 10% discount in cash payment?
They give 10% discount at cash payment?
哪几个对?
答
for对
1、语感即可得知
2、这里是”通过.的方式”,所以因用for