If you compare the past with the present, it's important that money say thamai size and probably difficult to Exchange something else instead of paying the same past.
If the comparison between the past and present would deny that money does not matter much. And would be difficult to exchange for something else instead of paying as before.
If the comparison between past and present would deny that money is important? And it will be hard to share something else instead of paying it like the old days.