The point here is that in most single-deck games, you will not be able to play many rounds because the dealer is instructed to shuffle the deck after some time.
Iphuzu lapha ukuthi emidlalweni eminingi yedeski elilodwa, ngeke ukwazi ukudlala imijikelezo eminingi ngoba umthengisi uyalelwe ukuthi ashibilikise ideski ngemuva kwesikhathi esithile.