Software Freedom Day happens in September each year.
软件自由日每年9月来临。
A quick look at the map will show you the world wide level of interest in Software Freedom Day and Free and Open Source Software generally.
快看，这张地图显示全世界对软件自由日和自由与开源软件兴趣的一般水平。
A quick look at the map will show you the world wide level of interest in Software Freedom Day and Free and Open Source Software generally.
快看，这张地图显示全世界对软件自由日和自由与开源软件兴趣的一般水平。
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