sale,sell
 1).sell:动词,卖He sold the old bike to me.他把旧自行车卖给我.
 2).sale:名词,销售,大减价促销 The shoes shop is having a sale this week.这家鞋店本周减价销售.
 服装打折30％．
They sell the clothes at a discount of 30%.Clothing sale are Real Mall.30% discount.
