Why the contribution can be below zero

Правка en1, от lexiyvv, 2020-03-31 12:00:22

I have seen many people whose contribution is below zero and I think it’s impossible. Can anyone tell me why?

Теги #contribution

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en2 Английский lexiyvv 2020-03-31 12:32:05 25 Tiny change: 'll me why?' -> 'll me why?\n\n\nUPD：now possible...'
en1 Английский lexiyvv 2020-03-31 12:00:22 147 Initial revision (published)