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CC0asclosetoreleasingyourcontentintothePublicDomainasyoucanget,untilcontentisnolongerprotectedbyCopyrightLaw.,CC0enablesscientists,educators,artistsandothercreatorsandownersofcopyright-ordatabase-protectedcontenttowaivethoseinterestsintheirworks....。參考影片的文章的如下: