2折起 英语怎么翻译阿

全场商品2.5-5折
for all goods: 75%-50% off
部分满200减80
for certain goods: pay 80 less if the amount is 200 or more
部分商品两件80元
for certain goods: 80 yuan for tow items
满280元赠T恤一件
get a T-shirt for free if the amount is 280 or more
新款200减100
for new arrivals: pay 100 less if the amount is 200 or more
满288赠精美内裤
get a fine underwear for free if the amount is 288 or more
一件8折，两件7折
for one item: 20% off for tow items: 30% off

这么写，大家应该都能懂了

All shopping centres goods 2.5-5%
Some 200 full by 80
Some of the goods and two 80 yuan
Over 280 yuan presented a T-shirt
The new 200 by 100
Over 288 beautifully presented briefs
An 8%, 7% 2