| 1 | What the little boys didn't know was that a second train was heading straight for them. | |
| 2 | Sometimes we are on a collision course and we just don't know it. | |
| 3 | They took off their shoes and socks and sat down on the mossy rocks at the edge of the stream, dipping their feet in the cold water and feeling the shock of it invigorate their blood. | |
| 4 | 总统布莱克·奥巴马:半个世纪以前,前苏联成功发射了”伴侣号“人造卫星,将我们甩在身后,扶摇直上太空。当时,我们浑然不知如何才能赶超他们,登上月球。 President BARACK OBAMA: Half a century ago, when the Soviets beat us into space with the launch of a satellite called Sputnik, we had no idea how we would beat them to the moon. | |
| 5 | Angry Birds, Pandora, Foursquare and Netflix are among the apps that send details about you from your handset without you necessarily being aware. |