If you want to use extensions on the Mac, you will have to switch to the developer preview channel.

如果你是Mac用户，你不得不切换到开发版。

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Preview video and audio material should be made available online, either within the artist's own site or embedded within a community channel.

预览的视频、音频文件必须上线，可以在艺术家的个人网站或其他集群网站上。

youdao

Preview video and audio material should be made available online, either within the artist's own site or embedded within a community channel.

预览的视频、音频文件必须上线，可以在艺术家的个人网站或其他集群网站上。

youdao