(@buy @sell @repair @s_repair )
%100
+20
+19
+21
[@main]
ӭ. ҿ԰ʲô?\ \
 </@buy> \
 </@sell> \
 </@repair> \
 </@s_repair>\
 <ȡ/@exit>
[@buy]
Ҫ?\ \ \
 < /@Main>
[@sell]
?\ \ \
 < /@Main>
[@repair]
Ҫ?\ \ \
 < /@Main>
[~@repair]
ȥ޺.\ \
 < /@Main>
[goods]



