(@buy @sell )
%100
+30
+3
+25
+0
+42
[@MAIN]
򵽶ҩƷ\
ɡСĶ࣬⵹Ƿǳ\
ֻΪЩ˶õ\ \

 </@buy>Ʒ\
 </@sell>Ʒ\
 <˳/@exit>\

[@buy]
ʲô\ \ \
 </@Main>

[@sell]
ʲô\ \ \
 </@main>\
[goods]
		100	3
()	100	3
	100	3
޸		100	3
Ѿ	20	10
;	20	10
лسǾ	20	10
Ѿ	20	10
;	20	10
лسǾ	20	10