sale in 和 sale out 在销售方面分别代表什么理念?

sale in 和 sale out 在销售方面分别代表什么理念? sale in a sale 和on sale 的具体区别 on sale 和 in sale 有什么区别? Uncle Martin put some of his old things out in the yard and had a yard sale.在这句话中,out 和in 用在一起, on sale ,in sale ,for sale 的区别 是on sale还是in sale in ready sale on sale和for sale区别 sale in bulk和sale by 这两个有什么不同, for sale 和on no sale 和 for sale有什么区别on sale 和 for sale 有什么区别 sale out,sell out一样吗? Jack was out of money .He had a card on the board announcing that he had a radio set ( ).A.for sale B.on sale C.to sale D.in sale翻译全句,选出正确answer并解释分析, sale in bulk和sales bulk和sale by bulk和whole buying哪一个适合：批发的意思呢sale in bulk和sales bulk和sale by bulk和whole buying哪一个词最适合：“批发”的意思呢,他们又有什么不同之处呢,就是一定要在 on sale的用法用SALE这个词来表达在出售和在贱卖分别如何表达,此时SALE是否为可数或非可数? at a low price意思相同的是什么?A.at sale B.in sale C.on sale D.for sale sell和sale的关系