Urban rail transit is now the most innovative urban transportation and the most suitable travel tools.

城市轨道交通无疑是现在城市交通中最新颖、最合适的出行工具。

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It could force new space tools to travel at slower speeds.

它可能会迫使新的太空工具以更慢的速度运行。

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Through the Friends of World Heritage website individuals—travelers and non-travelers—are provided with the tools to protect World Heritage, connect with local communities and travel responsibly.

“世界遗产之友”的网站为人们（游客和非游客）提供了保护世界遗址的工具，并以负责的态度与当地社区和旅游保持紧密的联系。

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Kayak provides travel buyers a one-stop research solution to best fares along with travel management tools and services such as flight status updates, pricing alerts and itinerary management.

FORBES: Kayak Shows Rapid User Growth But Google Remains A Threat

The app also includes travel planning tools to book a trip, destination guides, flight check-in, an interactive trip map and the "What's Next" feature to help guide customers to the next point in their journey.

ENGADGET: Delta introduces Fly Delta app for iPad, iOS 6 Passbook integration

Dopplr worked the data into annual travel reports, third party tools and more.

FORBES: Gowalla's Accquistion Is Another Web Service Being Switched Off For Profit