MasterCard says its index reflects the interconnectedness of major global cities and tracks the ways in which business and leisure jet-setters spend their money.
万事达公司表示，其数据反映出世界主要大城市的互联性，并追踪了商务和休闲飞机乘客的消费方式。
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The internet's international jetsetters have spent the past 24 hours revealing their silliest travelling clangers on an online forum.