AI ---No one can be real success or "become rich" in the business by conforming conventional practices or ways of thinking.
AA---题目先说middle-aged人用花费的百分之39在的partment stores 里,相对younger consumers 只有百分之21。如果要提高retail sales, department store 要提供更多可以attact middle-aged的产品。 同时,中年人口的数量也会激增。 department stores 可以预计有较大的sales。