On social-media profiles 个人介绍 is interchangeable with 简介 (intro / bio) and 个人签名 (personal signature / status line). 个人介绍 is the slightly more formal field label seen on Weibo, LinkedIn-style apps, and platforms like 知乎.
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Neutral. Works in both UI strings (form labels, profile pages) and self-introductions in classroom or workplace settings: 下面请做一下个人介绍 (please give a brief self-intro).
