(@buy @sell)
%100
+3
+25


[@main]
УҾϰ塣\
湻ģʲô\ \

 </@buy> Ʒ\
 </@sell> Ʒ\
<˳/@exit>

[@buy]
ҪƷ?\
 </@main>

[@sell]
ǳۻᣬ޸͵.\
 </@main>

[goods]
;Ʒ                   ʱ
Ѿ        10        1
;        10        1
            10        1
޸            5         1
;      5         1
Ѿ      5         1
