Customers are offered a 10% discount if they pay cash.
顾客若付现金，可获九折优惠。
Do you give any discount?
你们打折吗？
The theatre gives a 10% discount to parties of more than ten.
剧场给十人以上的团体打折10%。
We cannot discount the possibility of further strikes.
我们不能低估再次发生罢工的.可能性。
They were selling everything at a discount.
他们销售的所有商品都打折。