The estimated worldwide market for such vehicles is in the range of $1 trillion, and their use would erode the scheduled domestic airline customer base by enabling 300 kilometer “commutes” and providing huge cost avoidance for roads and bridges.

预计这种交通工具的全球市场在一万亿美元上下，而它们的运用将会通过建立三百公里的“通勤线”以及节省修建道路和桥梁的巨额费用而削弱定期的国内航班客户基础。

© Project Syndicate 1995 – 2011

http://www.project-syndicate.org/ 26.01.2011

© Project Syndicate 1995 – 2011

http://www.project-syndicate.org/ 26.01.2011