我们从杭州萧山机场乘民航班机飞到沈阳机场只两个半小时，机票价每人800元，比乘“高铁”还便宜。
B-Person I-Person O B-Location I-Location I-Location I-Location I-Location I-Location O B-Thing I-Thing I-Thing I-Thing O O B-Location I-Location I-Location I-Location O B-Time I-Time I-Time I-Time I-Time O O O O B-Person I-Person B-Metric I-Metric I-Metric I-Metric O O O B-Thing I-Thing I-Thing I-Thing O O O O