[@ͷ]
{
ӭΪʲô\ \
 </@buy>  ͷ\
 </@sell>  ͷ\
 </@repair>ͷ\
 </@s_repair>\
 < /@exit>\
[@buy]
ʲôͷ\ \ \
 < /@Main>
[@sell]
Ҫͷҿ\
һۡ\
 < /@Main>
[@repair]
޲ͷ.\ \ \
 < /@Main>
[~@repair]
ȥѾˡ\ \ \
 < /@Main>
[goods]
ͭͷ        10     10
ħͷ        10     10
}