杯具熊是只生产杯子的知名品牌，这个品牌的杯子的外形和图样都非常可爱时尚，自从该品牌的产品上市以来，一直受到小朋友和女生的喜爱。不过大家一直都存在着一个疑问，那就是杯具熊是哪个国家的?杯具熊国产还是韩国产
Class A { A(B& b) : mb(b) { // I will not access anything from B here } B& mb; }; Class B { B(): a(*this)
I want to create a personal digital archive. I want to be able to check digital files (some several years old, some recent, some not yet created) into that archive and have them preserved, along with
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