dream ticket
noun
1
- a pair of candidates standing together for political office who are ideally matched to attract widespread support（可望获得广泛支持的）最佳候选人组合。
2
- an invaluable opportunity to go somewhere or do something（去某处或做某事的）最佳时机, 千载难逢的机会：
a dream ticket to the Premier League
进入英超联赛的千载难逢的机会。