YOU SAID:
use code James for ten percent off your purchase
INTO JAPANESE
購入の10パーセント割引にJamesコードを使用
BACK INTO ENGLISH
Use James code for 10% discount on purchase
INTO JAPANESE
購入時に10%の割引にJamesコードを使用
BACK INTO ENGLISH
Use James code for 10% discount when purchasing
INTO JAPANESE
購入時に10%の割引にJamesコードを使用
BACK INTO ENGLISH
Use James code for 10% discount when purchasing
That didn't even make that much sense in English.