今天双11的预售活动你参加了吗？双11购物狂欢节即将到来，当天很多东西都会降价销售，会吸引大量消费者购物。很多人想知道，双11预售和当天售价哪个更便宜？还有，如果买手机，双11怎么买手机最便宜？给大家说说吧！[详细]
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