Two volunteers cut off from the rest world for eight months stepped out on a mock-up of Mars on Monday, reaching the dramatic half-way point of their experimental "voyage" to the Red Planet.
周一，两名同外部世界隔离了8个月之久的志愿者在模拟火星上迈出了第一步，进而让这个关于火星旅行的实验到达了关键性的中间点。
This is the point where the two ends of the circular world meet.
这就是循环的世界的两端交汇的那个点。
There is no point in trying to create the next Silicon Valley without the Valley’s remarkable resources: two world-class universities, Stanford and Berkeley, and a big financial centre, San Francisco.
事实上，如果离开了硅谷成功的两个重要资源，建设所谓下一个硅谷是毫无意义的：那就是两所世界顶级的学府，斯坦福和伯克来，和旧金山这个庞大的金融中心。
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