User talk:84.67.31.221

== June 2020 == Hello, and welcome to Wikipedia. This is a message letting you know that one or more of your recent edits to Zhang Yuansu has been undone by an automated computer program called ClueBot NG.

Thank you. ClueBot NG (talk) 11:21, 18 June 2020 (UTC)
 * ClueBot NG makes very few mistakes, but it does happen. If you believe the change you made was constructive, please read about it, [ report it here], remove this message from your talk page, and then make the edit again.
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 * The following is the log entry regarding this message: Zhang Yuansu was changed by 84.67.31.221 (u) (t) ANN scored at 0.960979 on 2020-06-18T11:21:32+00:00