But a smart intersection could save your life.

但一个智能路口可以挽救你的生命。

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For a city to offer smart services and save money, its departments have to work closely together, share their data and use a common it infrastructure.

对于一个需要提供智能服务并节省资金的城市，该城市的部门则需要紧密地协作、分享他们的数据以及使用一个共同的信息技术基建设施。

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It's a comprehensive review of the math you'll need to know for the test, as well as smart tips and tricks that'll save you time.

这是一本关于你考试中所必须面对的数学知识的综合复习，书中包含了一些可以节约你时间的聪明技巧与方法。

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And straight away the visitors went on the offensive, even with Didier Drogba and Deco dropped from the matchday 18, with Kalou and Ballack going close in the early exchanges and Joe Cole forcing a smart near-post save from Mildenhall after good work from Lampard.

BBC: Southend 1-4 Chelsea

The visitors' change in intentions led to their first shot on goal when Rory Delap forced a smart save from the largely-redundant Pepe Reina.

BBC: Liverpool 4-0 Stoke

Gillingham, who dropped striker Darius Henderson to play Andrew Crofts in a five-man midfield, also had their moments in attack and Michael Flynn's 20-yard shot forced a smart save from keeper Colin Doyle.

BBC: SPORT | Football | Championship | Nottm Forest 2-2 Gillingham