(@buy @sell )
%100
+40
+1
[@main]
#If

#say
ӭ,ʲôҪҰæ\ \
 </@buy>\
 </@sell>\
 < /@exit>\
[@buy]
ѡҪƷ\ \ \
 < /@Main>
[@sell]
Ʒʺõ⣬Ұɡ\
һüǮ\ \
 < /@Main>
[goods]
    1000            1
