I suppose if we're charitable, maybe "From 2010 to 2021" is programmer style [2010, 2021), i.e., ending at 1 Jan 2021. Then all of 2021 & 2022 form "a couple of

I suppose if we're charitable, maybe "From 2010 to 2021" is programmer style [2010, 2021), i.e., ending at 1 Jan 2021. Then all of 2021 & 2022 form "a couple of years". (The book is more or less closed on 2022. Given that my "2 day shipping" from cyber Monday took 8 days, I'm not holding my breath on "the supply chain" fixing itself prior to people giving it up for the holiday retreat.)