blasé ~ (about sth) (이미 여러 번 겪은 일이라서) 심드렁한
Swear by ~를 깊이 신봉하다.
to believe strongly that something/somebody is very useful and helpful
ex) Most early-stage founders hit a wall in recruiting new customers, and when that happens there are two general approaches you can take:
The first is to double-down on marketing. Some swear by ads.