He believed in persistently advertising. Barnum understood that hit-and-miss advertising doesn't work, but a consistent 五、他坚信持续不断打广告的效益。巴纳姆了解乱枪打鸟式地打广告是没用的，可是持续发出始终如一的讯息就能正中标的。
The trains are often late, so getting to work on time is a fairly hit-and-miss affair.火车时常晚到，所以上班要准时完全要听天由命。