綠色拉鏈背心

這是我的個人頁面同時買兩件以上減$10 同時買3件減$20（如此類推） （即係2件起，每多買一件可以減$10） if you buy 2 clothes there will be a $10 discount 3 clothes will be $20 discount 4 clothes will be $30 discount 5 clothes will be $40 discount （which means you will get $10 off for every additional item you buy） （you can go to my page and see ）