这件毛衣很便宜,因为它打折了翻译为The sweater is very cheap because there is s( )( )it.
问题描述：
这件毛衣很便宜,因为它打折了翻译为The sweater is very cheap because there is s( )( )it.
答
The sweater is very cheap because there is s( ale)(on )it.
答
sale of
sale有促销、减价销售的意思。
答
discount of