今日长难句：
But demanding too much of air travelers or providing too little security in return undermines public support for theprocess.
1.句子分解
1）主句—1：But demanding too much of air travelers or providing too little security in return undermines public support for the process.(该句的主语较长，即 demanding too much of air travelers or providing too little security in return，连词 or 连接了两个并列的动名词短语。谓语为 undermines。public support for the process 是宾语。)
2.逐句翻译
1）But demanding too much of air travelers or providing too little security in return undermines public support for theprocess.
但是，这些程序对乘客要求太多，而提供的安全保障却过少，这样的就降低了公众对该过程的支持。
全句翻译：
但是，这些程序对乘客要求太多，而提供的安全保障却过少，这样的就降低了公众对该过程的支持。
核心词与超纲词
1.tolerate 忍受；容忍
2.be a drag on... 是···的累赘
3.down 击落；将···打倒在地；大口喝下，快速吃下
4.not to mention.. 更不用说······
5.reminder 起提醒作用的东西
6.infuriate 使（某人）大怒
7.undermine 逐渐消弱或损害
