Using this system, preferential treatment's given to 'premium' visitors.

高级访问者们使用该系统会获得优惠待遇。

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Preferential development of urban public transportation system is a universally accepted approach of solving urban traffic problem.

优先发展城市公共交通系统是解决大、中城市交通问题的最佳途径。

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Methods: The historical background formed American Orphan Drug system, regulation of Orphan Drug system, preferential measure, and FDA s approval procedure are stated.

方法：根据个人掌握的资料，说明美国罕见病药物制度形成的背景、有关法规、优惠措施及FDA审批程序。

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Shaken by One Nation's sudden revival, Queensland's ruling conservative coalition has urged its voters to give their second vote Australia has a preferential system to the Hanson party, not the opposition Labor Party.

ECONOMIST: Australia

Yes, admits a Clegg ally, it now looks disastrous to have sought a referendum on the complicated preferential voting system known as the alternative vote (AV).

ECONOMIST: Bagehot

The academy, through its accounting firm, now called PricewaterhouseCoopers, tabulates the ballots using what is called the "preferential voting" system.

NPR: For Geeks Only: How Oscar Voting Works