最近预订到纽约的机票时，好心的旅行代理建议我上网登记，给自己弄一个好座位。
Booking a flight to New York recently, I was advised by the friendly travel agent that I should check in online to secure myself a good seat.
因此，现在旅行社还是要在捷蓝航空网站上使用查看互动座位图和预订指定座位等针对消费者的功能。
So, for now, travel agents must view the interactive seatmaps or reserve specific seats — consumer-like — on the JetBlue website.
乘火车旅行为什么要预订座位呢？
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