noun
cross-selling
Business term for selling additional or related products to an existing customer.
銀行は住宅ローンと一緒に保険のクロスセルを行う。
Banks cross-sell insurance together with home loans.
クロスセルの成功率を上げるには、顧客のニーズをよく理解する必要がある。
To increase the success rate of cross-selling, you need to understand the customer's needs well.