2. It should be told to think instead about charging a full price for using Heathrow, and the resulting excess profits at BAA should be taxed.
应该考虑对希思罗机场的使用收取全价,并对BAA由此产生的超额利润征税。
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3. BAA and the government think that because aircraft are getting quieter and cleaner the extra flights will be bearable.
英国机场管理局以及政府认为,由于飞机的噪音和污染都在降低,额外的航班便将在可允许的范围之内。
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4. The scheme was overtaken by the economic crisis, and the stranglehold of BAA and BA, both of which have a lot invested in Heathrow, has prevented its revival.