Mathematical language is not very well understood by many people. People may mistakenly use "month to month average" when they really want the 'average every month' but that doesn't change the meaning of those terms, just as people creating about "stationery autos" does not change the meaning of "stationery" https://financefeeds.com/btcc-exchange-upgrades-demo-trading-with-self-funding-and-reward-system-to-help-beginners-transition-to-live-copyright-trading/