What time's the next collection of letters?
下一次收信时间是几点钟?
A collection of letters written by the star when she was a teenager to Pawley are to be sold online.
这位明星在少年时写给帕利的一批信件将会网上拍卖。
The question is, how can you represent the collection of letters in a way that can be used as a key?
那么问题来了,如何去表示这个字母的集合,才能让这个集合能用作字典的一个键?
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