In years to come , they will be a timeless memento of a magical wedding day .

“在今后，它们将成为这个妙不可言的结婚日的永恒纪念”。

In that case , each fan should independently adopt a " mixed strategy " with a one-eighth probability of taking the memento .

在这种情况下，每位歌迷都应独自采取有八分之一几率获得纪念门票的“混合策略”。

Let us say that memento and refund are equally valuable if 1 00000 take the memento and 7 00000 take the refund .

让我们假设，如果有10万人选择纪念门票，70万人选择退款，那么纪念门票和退票的价值是相等的。

In a charming tradition , each visitor is presented on arrival with hot metal chains as a lasting memento of their stay .

在地狱，有一条优良的传统每位访客一到这里，就被戴上炽热的金属镣铐，作为永久纪念。

There was probably no irony intended in the choice of memento : a plate emblazoned with a picture of the great wall .

当局可能并非有心选择这个具有讽刺意味的赠品：饰有长城图案的纪念盘。