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免费,即指不须付出任何私人财产,如金钱财物,而能够获得一些服务物品

免费试吃是一种宣传食品手法

意义

在互联网时代中,以电脑字节为基础的经济学,其边际成本为0;换言之,一款APP,100人付费足以替代成本,那么一千个人,一万个人,其实其成本是0

例子

在现实世界里,有很多物品服务也是免费的,如︰

参见

外部链接

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