(@buy @sell @repair @s_repair)
%100
+24
+26
[@main]
ӭҪס\ \
 </@buy> \
 </@sell> \
 <޲/@repair> \
 </@s_repair>\
 < /@exit>\

[~@repair]
ȥѾˡ\ \ \
 < /@Main>

[@buy]
ʲô\ \ \
 < /@Main>

[@sell]
ҪĶҿһһ...\
 < /@Main>

[@repair]
޲.\ \ \
 < /@Main>

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

[goods]
С 	      5    10
	      5    10
        5    10
        5    10
Ƥ      5    10
        5    10
