英语翻译“我们已经缺货,请尽快发货.另外,下次大概什么时候有优惠活动,或者进货额达到多少的时候,有额外的优惠?”

We are already out of stock,so we are grateful if you could deliver the goods to us as soon as possible.Also,may I know about when will there be concessionary offers next time?Or will there will any additional discount if purchases are made to a certain amount?
人工翻译

we are out of stock now, pls deliver the goods as soon as possible. incidentally, when do you have promotions next time, or what is the net purchase that qualifies us for special offers?