endorsing a product 支持产品推广
endorsing a candidate 拥护候选人
publicly endorsing 公开背书
A: Is that famous actor endorsing this sports brand?
A：那位著名的演员在为这个运动品牌代言吗？
B: Yes, his endorsement has significantly boosted their sales.
B：是的，他的代言极大地提高了他们的销量。
1) 支持或认可某人或某项计划
2) 为品牌或产品代言/推荐
3) 在支票等文件上签名以示认可
1. 支持，认可
verb
1. Publicly declaring one's support or approval for someone or something.
Synonym: supporting, advocating, backing