实际上，这种视听手段用在行车安全上还真是新奇，只是我并不相信它会有什么效果，尤其是在当年的交通状况下。
This was an innovative audio-visual approach to driving safety. I suspect it was quite effective, especially given the low motorized traffic levels of that era.
我回答说，恰恰相反，警方非常有礼貌，交通状况得以改善和安全法规比较人性化，他笑着说，“我们每天都在学习和进步。”
When I replied that, on the contrary, the police had been courteous, traffic improved and security regulations were reasonable, he smiled and said, "We are learning and improving day by day."
他的公司向无人机运营商提供有关天气和交通状况的实时数据分析，能够确保无人机在城市更安全和更智能地飞行，并帮助保险公司为风险定价。
His company, which provides real-time data analytics on weather and traffic conditions to operators, enables drones to fly more safely and smartly in cities and helps insurance companies price risk.
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