Demanding too much of air travelers or providing too little security in return undermines public support for the process.

如果对飞机乘客的要求过于苛刻，或者相应的安全保障太少，反而会削弱民众对安检的支持。

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But demanding too much of air travelers or providing too little security in return undermines public support for the process.

可是，如果对飞机乘客的要求过于苛刻，或者相应的安全保障太少，反过来就不利于民众对安检的支持。

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Then, after taping and painting, screw a “return air” grate over the opening to conceal it but still have access.

然后镶边、涂饰面，再然后在开口上安装“回风”把开口隐藏起来，但“回风”要是可以拆卸的，以便还能接触到内部的构件。

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Uganda FA President Dennis Obua said Egypt had offered to pay for the teams' return air-tickets, accommodation and meals, but that they were now back-tracking.

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But the evidence suggests instead that we are seeing defections from the bottom of the economic ladder, spurred in part by a return to over-the-air broadcast TV among those households that were pushed into Pay TV by the Digital TV transition in June 2009.

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Guests were given the option to return to Orlando -- the closest air gateway to Port Canaveral, where the voyage began -- or their originating city, Carnival said.

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