sell与sale的区别与联系

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

对