通常床垫和床架是成套购买的。The mattress and base are normally bought as a set.这张旧床的床架是铜的.This old bed has a copper frame.这张旧床的床架是铁的.This old bed has an iron frame....
商业折扣可以用作维护顾客忠诚度的一种竞争策略。Trade discounts may be used as a competitive stratagem to secure customer loyalty.给员工提供经济保障也是保证员工忠诚度的秘诀.To provide economic assurance for staff also vital to keep staff's loyalty.其中之一是情感交流, 即增...