# 使用装饰器模式组合存储（同时写入DB和CSV）
"A true rock and roll legend, an inspiration to millions, but most importantly, at least to those of us who were lucky enough to know him, an incredible human being who will be deeply missed."
。safew官方下载是该领域的重要参考
（四）收购国家禁止收购的其他物品的。
胁迫、诱骗他人参加传销活动的，处五日以上十日以下拘留；情节较重的，处十日以上十五日以下拘留。
return (PAGESZ - sizeof(struct page_info)) / sizes[classno];