不少
1.neither more nor less (than ...); just the right amount; not too much and not too little; just right;

1.Our customers are not familiar with your goods, so we`ll have to spend a lot of money in popularizing your products. Since there is sale resistance to overcome at the beginning, you should allow us a 5% commission.
我们的客户对你们的产品不熟悉.所以要使你们的产品畅销.我们得多花不少钱.由于开始销售要克服不少阻力.你们应该给我们5%的佣金才行.

