We usually deal on a 20% trade discount basis with an additional quantity discount for orders over 1000 units.
我们通常给予20%的商业折扣,外加订货1000件以上的数量折扣。
I think we should do that another day. Then we can leave early in the morning before it gets too hot.
我想我们还是改天再去游览高坝吧。那样我们可以一清早就动身,免得天气太热。