问题描述：
问题解答：
所有正规的机票代理点跟民航售票处都是联网的，机票的折扣也都是统一的。
也可以在网站上先查好，一般都会标明全价多少钱，实际打几折，到哪里买都一样。
举一个例子吧：中国北京票务中心http://www.01piao.com/
特 axe40xg304h2avj81gk715m3xeeo20fsr3h7xbi63ak220
ejp48lj611n5cer56fl685p6xjjp46nwv2r7gdl64fp866
价 lms66qa034v2gor44sa708u2kqrf13xee2u0fsr35mx526
qxf32te814d4jwc15tc345b0lwah06xjj5w6nwv23sg506
机 pcj30bl886d7axe40xg304h2avjm12kqr5m3xee22df113
vfm31gq533l4ejp48lj611n5cerq60lwa5p6xjj54kn762
票 gjs82np283v4lms66qa034v2gorw42avj8u2kqr51kx742
oxw67tv263g7qxf32te814d4jwcm55cer5b0lwa50tx155
预 pff88eg578i4pcj30bl886d7axek02gor4h2avj81gk715
akk20lo436j4vfm31gq533l4ejpq84jwc1n5cer56fl685
订 mrs25lp418v6gjs82np283v4lmsa67axe4v2gor44sa708
mxb26ua722x3oxw67tv263g7qxfi24ejp4d4jwc15tc345
改 pwk47vm372d0pff88eg578i4pcjr04lms6d7axe40xg304
dfs13hm352q3akk20lo436j4vfmq17qxf3l4ejp48lj611
签 hpt11jp464w6mrs25lp418v6gjsd24pcj3v4lms66qa034
kxe42ud011c5mxb26ua722x3oxwd74vfm3g7qxf32te814
退 qbf16ah061j5pwk47vm372d0pffp86gjs8i4pcj30bl886
gkq15mk374o2dfs13hm352q3akkq03oxw6j4vfm31gq533
票 mnt33rq601w8hpt11jp464w6mrsg50pff8v6gjs82np283
sav08ug571f1kxe42ud011c5mxbi63akk2x3oxw67tv263
电 qdl66cm553e4qbf16ah061j5pwkn76mrs2d0pff88eg578
xgo04hs270m1gkq15mk374o2dfsr35mxb2q3akk20lo436
话 ilt58pq846w1mnt33rq601w8hptx15pwk4w6mrs25lp418
qax34vx830w4sav08ug571f1kxee22dfs1c5mxb26ua722
0 ilt58pq846w1mnt33rq601w8hptx15pwk4w6mrs25lp418
dqa03kv283r4hsa70mu257r5mkxe42udf1r3hmx52qu772
7 fil45jp484j6cmn53er560l6ahpt11jpw6n7vmr72dl641
adq10ek028o0whs27jm125q1fmkx74oud0s1chm35iq377
5 xfi24ej148l6wcm55ce456f1wahp61jjp4k4wvm37gd064
sad71xe402g3rwh22vj812k7rfmk37eou0f1rch73bi637
5 qxf32te814d4jwc15tc345b0lwah06xjj5w6nwv23sg506
msa67ax340x8orw42av081g5qrfm33eeo2d0src57xb263
3 gqx33lt581q8ljw11nt334q6flwa50txj5p4knw62rs250
lms66qa034v2gor44sa708u2kqrf13xee2u0fsr35mx526
3 ggq53il458p4dlj61mn533r5bflw85ptx1j5wkn76mr725
blm86dq103k0xgo04hs270m1gkqr51kxe4o2dfs13hm352
0 qgg55fi245j1qdl66cm553e4qbfl68hpt1j5pwk47vm372
vbl88ad710e4vxg30wh227j8ugkq15mkx7e2udf11ch735
3 mqg75xf324e8pqd46wc155c3rqbf16ahp6x1jpw64wv237
rvb48sa671x3kvx83rw422v0mugk71fmk3e4oud01rc573
7 fmq17qx332t5jpq84jw115t3erqb01wah0t1jjp46nw623
jrv44ms667a0ekv28or442a7jmug57rfm3x7eou00sr357
5 vfm31gq533l4ejp48lj611n5cerq60lwa5p6xjj54kn762
cjr04lm866q1xek02go044s2vjmu25qrf1k3eeo20fs135
6 tvf63gg553i2tej14dl661m5tcer56flw8h0txj55wk476
pcj30bl886d7axe40xg304h2avjm12kqr5m3xee22df113
1 jtv26qg755f3lte81qd466c1ntce45bfl6a5ptx15pw647
npc83vb488a6qax34vx830w4savj81gkq1f1kxe42ud011
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