(@buy @sell)
%100
+0
+42

[@main]
ӭ٣ʲôҪҰæ\ \
 </@buy>ҩ\
 </@sell>ҩ\
<˳/@exit>

[@buy]
Ҫʲô\ \ \
 </@main>

[@sell]
ҪĶһüǮġ\ \ \
 </@main>


[goods]
;Ʒ                 ʱ
ҩ(С)   10         1
ħҩ(С)   10         1
ҩ()   10         1
ħҩ()   10         1
ǿЧҩ     10         1
ǿЧħҩ     10         1
