a set of advertisements or other activities that are designed to help two companies sell their products or services together 交叉促销（旨在帮助两家公司一起出售产品或服务的广告或其他活动）◆The two TV networks have agreed to an extensive cross-promotion. 两个电视网络已商定了一项广泛的交叉促销。
a situation where a company advertises one of its products, such as a newspaper or a book, in another 交叉促销（一家公司在其下的一项产品中刊登推广其下另一产品的广告）