in - paper, on - electonic?

[gavenkoa]

I see it in a paper / journal / article. I found it in this chapter / book.

I see it on a screen / phone / tablet. I checked it on PC / MAC / WIndows / Linux.

Is it?

[gavenkoa]

Originally found a guidance here: https://www.engvid.com/common-prepositi ... un-method/

[Харбин Хэйлунцзян]

Is it?

I say it's spinach. Gammon and spinach!

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