Training the elements of free landing with the help of a special carriage.

训练用一种特殊运输工具来实现自由着陆

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Airlines are reluctant to stop them because airport operators often use sales of duty-free and other items to subsidise landing charges.

航空公司不情愿阻止他们，因为机场运营管理商通常用免税产品和其它商品的销售额来抵充所收取的机场降落费。

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After landing at Fuzhou Airport in Fujian Province, Zhan Qixiong said he was thankful to be free and repeated his claim of innocence.

抵达福建的福州机场后，他表示很感激获得释放，反复声明他是无罪的。

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"We'll tie it in with the hotels, " he said, "and we'll give them free parking and landing fees at the airport".

BBC: Deputy Kevin Stewart

Under Mehdi, MSN responded to AOL's "carpet bombing"--mailing out millions of discs offering free trials--by landing prime real estate at the retail level.

FORBES: Magazine Article

That left it free to return to its habit of landing troops on foreign shores.

NPR: Author Kinzer Charts 'Century of Regime Change'