英语语法分析

One suggestion is to double up on the chocolate truffles and get 2 for $44.85, a true upsell.

其中一个推荐是指买2盒truffles巧克力只要44.85美元（译者注：单盒29.95美元），这确实是向上销售。

CompUSA separates upsell from cross-sell with “Want to Upgrade?” suggestions and “More Recommendations”

CompUSA以“想要升级吗？” 区分向上销售和交叉销售，以“更多推荐”区分可选产品和交叉销售。

The creation of communities to share experience and interest in brands or products can lead to increased retention or upsell to related products and services.

创建社区来分享品牌或产品的经验和兴趣，可以导致保持相关产品或服务的关注和销售提升。