(@buy )
%100
+0
[@main]
..... Ȼ....\
Ҳߵ·ˣֻ...\
Ҳ֪ܴܲ·ó.\ \
 </@buy>ҩ\
 < /@exit>\

[@buy]
ѡҪƷ??\ \ \
 < /@Main>

[goods]
ҩ            20       10
ħҩ            20       10
ǿЧ̫ˮ            20       10
