我做外贸行业有将近十年了,祝你早日成单!其实上面的2位翻译不能说不对 只能说不够好,老外如果看到你为他所做的努力,以及所产生的利润 就很好了.
所以应该这么说：
The final discision we could reduce 15% discount of precious price for you.My boss sincerelly want to cooperate with you successfully due to my detailed explaination of our potential business opportunity,tks so much.