on sales的用法和样例：
例句
- Packing has a close bearing on sales.
包装直接关系到产品的销售。 - But your product is still new to our market, and we need to do a lot of work and spend a lot of money on sales promotion.
但我们市场对你们产品仍然不太了解，我们在推销过程中需要做很多工作，花很多钱。 - The advertising campaign didn't have much effect on sales.
这些广告攻势对销售额并没有起到多大作用。
on sales的相关资料：
临近单词
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