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最近,陆续接到读者来信,要求介绍一些集卡知识,这今我们欣慰。一方面,读者的来信即是对我们工作的强有力支持;另一方面,读者来信又如同一面镜
Recently, we have received letters from readers and asked for some information on the collection of cards. We are very pleased with this. On the one hand, the reader’s letter is a strong support for our work; on the other hand, the reader’s letter is like a mirror