Mathematical language is not well understood by many people. People may mistakenly use "monthly average" when they really want the 'average per month' but that doesn't change the meaning of those conditions, just as people producing about "stationery automobiles" does not change the meaning of "stationery" or "stationary". Which https://financefeeds.com/tether-co-founder-aims-to-raise-1-billion-for-copyright-reserve-fund/