n. a promotional statement (as found on the dust jackets of books)
n. a signature that validates something
n. the act of endorsing
n. 支持, 认可, 背书
[经] 背书, 担保, 保证
1. The celebrity's endorsement helped boost the product's sales.
这位名人的代言帮助提升了产品的销量。
2. He received an endorsement from his former teacher for his application.
他收到了前老师对他申请的推荐信。
3. Many people trust a product more when it has an official endorsement.
当一个产品有官方认证时，许多人会更信任它。