cross-selling

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++ˌcross-ˈselling noun [uncountable]  when one company helps to sell another company’s products by, for example, advertising the second company’s products at the same time as its own 交叉销售，交互销售〔一公司在做广告时顺带帮助介绍另一公司产品的销售方式〕From Longman Business Dictionarycross-sellingˈcross-ˌselling noun [uncountable]MARKETING when one company helps another company to sell its products by selling or advertising them with its own productsFinancial institutions are becoming increasingly interested in cross-selling credit card, checking, and other types of account to customers.

ˌcross-ˈselling nounChineseSyllable  

one sell company company’s to when helps products another Business

cross-selling
ˌcross-ˈselling noun [uncountable]
when one company helps to sell another company’s products by, for example, advertising the second company’s products at the same time as its own

cross-sellingBrE /ˌkrɒs ˈselɪŋ/ 🔊NAmE /ˌkrɔːs ˈselɪŋ/ 🔊 noun [uncountable] (business 商业) the activity of selling a different extra product to a customer who is already buying a product from a company 交叉销售（向现有顾客推销另一产品）