Customers are offered a 10% discount if they pay cash.
顧客若付現金，可獲九折優惠。
Do you give any discount?
你們打折嗎？
The theatre gives a 10% discount to parties of more than ten.
劇場給十人以上的團體打折10%。
We cannot discount the possibility of further strikes.
我們不能低估再次發生罷工的可能性。
They were selling everything at a discount.
他們銷售的所有商品都打折。