The teaching invitations he received from two American universities are like gold dust to his whole family.美国两所大学请他去讲学的聘书对他全家来说价值连城。Cup final tickets are like gold dust.足总杯决赛一票难求。Tickets were like gold dust.票非常紧俏。Tickets for this match are gold dust.这场比赛的票很难搞到。Tickets for the concert are like gold dust.这场音乐会真是一票难求。They trucked knives for gold dust.他们以小刀换金沙。