A.D for sure,

來源: 於 2011-11-28 05:05:22 [舊帖] [給我悄悄話] 本文已被閱讀：次

A+D= good sales. and happy shopping experience. It also depends on buyer's expectation,

if you want lowest price, then you may not care about A or B or C. I prefer paying a little bit more but get a good service.