[@ͷ]
{
ӭΪʲô\ \
 </@buy>  ͷ\
 </@sell>  ͷ\
 </@repair> ͷ\
 < /@exit>

[@buy]
ʲôͷ\ \ \
 < /@Main>

[@sell]
Ҫͷҿ\
һۡ\
 < /@Main>

[@repair]
޲ͷ.\ \ \
 < /@Main>

[~@repair]
ȥѾˡ\ \ \
 < /@Main>

[goods]
ͭͷ        10     10
ħͷ        10     10
ʿͷ        10     10
ͷ        10     10
}
