(全店貨品7折起,3件貨品再9折),英文點寫~~~

全店貨品7折起
30% discount OR MORE is available for all items.

3件貨品再9折
For purchase of every 3 items, an extra 10% OFF THE DISCOUNT PRICE will be offered.

為免令顧客誤會「3件貨品再9折」, 係以正價去扣(30+10)%, 即是六折, 我加上 OFF THE DISCOUNT PRICE。

全店貨品7折起 - 30% discount on all items
3 件貨品再9折 - 10% more for any purchase of 3 items