(@buy @sell @repair @s_repair)
%100
+10
+11
+77
+88
+15
[@main]
ӭҪʲô\ \
 </@buy>  ·\
 </@sell>  ·\
 <޲/@repair> ·\
 </@s_repair>\
 < /@exit>\

[@buy]
ʲô·\ \ \
 < /@Main>

[@sell]
Ҫ·ҿһۡ\
ҲӪͷñӣ㲻,\
\ \
 < /@Main>

[@repair]
޲·ͷñ\ \ \
 < /@Main>

[~@repair]
ȥѾ޺\ \ \
 < /@Main>

[@s_repair]
Сãԭϣ۸\
ͨӴҾͿ׬Ǯˡ\ \
</@main>

[goods]
Ϳ()    8     5
Ϳ(Ů)    8     5
ͭͷ        8     5
ħͷ        8     5
