啊,对了,我的作文挺好玩的,说一个叫 food to heart的书店原本有 in house cooking demonstration 所以sells不错,但是店长propose说要adapt major 书店和online retailer的方法,给best seller lowest discount to promote sells, 然后为了compensate discount带来的lost,要取消之前的in house demonstration,说如果这样的话就可以 increase profit