The Asia-Pacific region has overtaken North America as the world's largest air travel market with 647 million passengers in 2009, the International Air Transport Association (IATA) said Monday.
国际航空运输协会（International Air Transport Association，IATA）在周一表示，亚太地区2009年航空载客量达6.47亿人次，超过北美成为全球最大的航空旅游市场。
After the difficult problem of passengers transport was solved, the city bus market changes have been taken place.
“乘车难”从根本上解决以后，城市客车市场出现了新的变化。
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