User talk:Lanzhang720

Welcome!
Hi Lanzhang720! I noticed your contributions and wanted to welcome you to the Wikipedia community. I hope you like it here and decide to stay.

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Happy editing! --John Maynard Friedman (talk) 21:30, 29 April 2022 (UTC)

But
I suspect that English is not your first language? The text of your edit to Externality is really rather unclear – I'm afraid I couldn't decipher it. And it certainly was not a minor edit (which means a trivial spelling or grammar fix).

I suggest that you use talk:Externality to introduce the changes you believe should be made. You made a number of points, so please introduce them one at a time. --John Maynard Friedman (talk) 21:30, 29 April 2022 (UTC)