$B!v=q$-$+$1!v(B

train$B$O0KF#1I0lO:$5$s$K$h$k$b$N$G$9!%(B
$BM-Ln$5$s$N0\?"$r%Y!<%9$K:n$C$F$$$^$9!%(B

libtrain
$B0KF#1I0lO:(B
