If you sign up, log in and start using any kind of online service, the cyber-trail you accidentally leave on the world as you click and type away, seems to be a matter of course.

如果你注册、登录并开始使用任何一种在线服务，当你点击、输入时会在这个世界上无意中留下数码足迹，这已经见怪不怪了。

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What type of riding are you going to do - trail riding or track riding?

你要选择的方向，是越野道路驾驶还是场地驾驶？

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A wider trail tread of 10 ft to as much as 16 ft was adopted and, in some places, several parallel trail treads were specified with separate lanes for each type of user.

更宽的步行道路面采用10英尺到16英尺，在一些地段上，用相互分离的平行车道来区分不同的使用者。

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Over 100 compatible games are available to download from the Google Play, including popular titles: Cordy, Sleepy Jack, Whale Trail, Asphalt 5 HD, R-Type, Reckless Getaway, Reckless Racing, Samurai II: Vengence, Guns'n'Glory, Wind-Up Knight, Sonic CD and Zenonia.

ENGADGET: Gametel Bluetooth mobile controller lands stateside for $49.99

Police said there was a 57% reduction in "youth-related annoyance" compared to the three months before the trail, and a 51% fall in all anti-social type incidents, including drink-related offences, criminal damage and noise nuisance.

BBC: NEWS | UK | Wales | South East Wales | Night experiment cuts youth trouble