What are credits.

credits  :
for example,when you post a thread ,then you can earn some credits or forum coin.
how much  could you earn  the  credits and forum coin ,you can just set it there.

[b]Extend Credits Conf.[/b] :its for Exchange the  credits ,coin and other  extcredits . llike exchange the RMB to  U.S. dollars  .

[b]Extend Policies[/b] : set the Credits how much could you earn by post .

[b]Credits [/b] : you needn't set that .

[quote]exchange ratio : as  [b]7.3 yuan RMB =1 U.S. dollars[/b]  . so the exchange ratio between them is 7.3 . get it   ?

credits unit is not need .[/quote]