Snow delays, straitened travel budgets, arbitrary security crackdowns and the knowledge that they will never match George Clooney's air miles in Up in the Air have left more than a few business travellers wondering whether their next trade show trip looks quite so appealing.
大雪延误、旅行预算拮据、霸道的安检措施、以及意识到自己永远达不到电影《在云端》(Up in the Air)中乔治•克鲁尼 (George Clooney)的飞行里程，所有这些都让不少商务旅行者揣测：自己的下一次参加行业展会的旅行，是否还如此具有吸引力。
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