如果你付现金,可以便宜一些。
You can get some money ___off if you pay cash.
本周所有冬季大衣打六折。
This week, there's 40% ___off on all winter coats.
他答应给我打七折,所以我决定从他那里买电视。
He offered 30% ___off the price, so I decided to buy the TV.