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.
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。
The Commission's recommendations are sharp, smart, and lean.
委员会的建议尖锐、明智而简洁。
"The site will be a combination of curation and original reporting," Golis wrote this morning on his personal blog, "with gregarious linking and sharp, smart writing."
今天早上，Golis在其个人博客中写道，该网站既包括管理也包括原创报道，既有丰富的链接，又有犀利、巧妙地写作。
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