买了20张儿童和老人用的车票准备给来探亲的父母用,结果他们改主意不来了。便宜一点卖了: $ I7 O0 W0 M. M/ i, R - w( J" M, _ C3 }youth or senior bus tickets, 2019 Dec expired 10 tickets $22/ ^( S' Z" N- b$ N( [* o
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20张一起买送一张bus ticket." G8 j4 H& q. w. \: [& q& ^% U