求翻译：(1)降低销售渠道费用。通过网络团购，商家可以增加单笔的交易量，缩短交易渠道，从而有利于经销商和厂商降低销售渠道的费用，实现规模经济。是什么意思？

(1) reduce the cost of sales channels. Buying Online, businesses can increase the trading volume of the single shortened trading channels, thus contributing to the dealers and manufacturers to reduce the cost of sales channels, to achieve economies of scale.

(1) reduced sales channel. In the network share, you can increase the