德克萨斯农工大学交通研究所的研究工程师凯文·鲍克说，虽然智能交通灯对一些城市特别有帮助，但有些城市太拥挤了，只有大幅减少道路上的汽车数量才能有效改变拥堵的局面。
Kevin Balke, a research engineer at the Texas A&M University Transportation Institute, says that while smart lights can be particularly beneficial for some cities, others are so jammed that only a sharp reduction in the number of cars on the road will make a meaningful difference.
另外还有一个小小的危机：罗恩·布朗拒绝让州长鲍勃·凯西在大会上发言，不是因为他想表达反对堕胎的立场，而是因为他不同意支持我。
There was also a minor flap when Ron Brown refused to let Governor Bob Casey speak to the convention, not because he wanted to speak against abortion but because he wouldn't agree to endorse me.
他和宾夕法尼亚州州长鲍勃·凯西的关系也很好，可以保证我在该州获胜。
He also had a good relationship with Governor Bob Casey, which could ensure my winning Pennsylvania.
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