作名詞用時為“折扣”的意思，如"They were selling everything at a discount(=at ruduced price).：他們銷售的所有商品都打折；"Do you give any discount?”：妳們打折嗎？；
a 10% discount ：九折。
作動詞用時1.“認為…不重要；不重視；對…全不信”,We d