cedict:

• 别 bié to leave; to part (from) / (literary) to differentiate; to distinguish / (dialect) to turn away; to turn aside; to avert (one’s face, gaze etc) / (bound form) other; another; different / don’t ...! / to fasten with a pin or clip / to stick in; to insert (in order to hinder movement) / (noun suffix) category (as in 性別|性别[xing4 bie2], 派別|派别[pai4 bie2])
• 发 fā to send out / to show (one’s feeling) / to issue / to develop / to make a bundle of money / classifier for gunshots (rounds)
• 外网 wài wǎng the Internet outside the GFW 防火長城|防火长城[Fang2 huo3 Chang2 cheng2]

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• 别 (bié) — don’t (used to tell someone not to do something)
• 发 (fā) — post, send, or publish
• 外网 (wàiwǎng) — literally external network. In mainland Chinese internet slang, this usually refers to the internet outside China’s domestic internet, such as X, YouTube, Reddit, Instagram, etc., as opposed to the Chinese domestic internet.

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• Don’t post this on foreign social media.
• Don’t share this outside the Chinese internet.
• Don’t upload this to overseas websites.

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NB 别 is een vereenvoudigd karakter, maar ik zag niet direct het verschil. De vereenvoudiging is eigenlijk een standaardisatie, het gebruikt het bekende element 力 onder 口 in plaats van de unieke samenstelling in 別 (zowel Japans als traditioneel).