我们在网上花在浏览认识的人重复发布的信息和照片上的时间，其实可以花在结识一些有共同兴趣的新朋友上面。
All the time we spend looking at repetitive posts and photos from people we already know, could be spent instead on the Web meeting new people who are interested in the same things we are.
如果在一段时间内，这种微小的光线变化以固定的频率重复发生，就有很大的可能侦测到存在环绕它运行的行星。
If this miniature eclipse is repeated at regular intervals, for the same length of time, then the odds are that an orbiting planet has been detected.
研究要求试验参与者重复发出“哦”、“啊”、“嗯”和“咦”四种声音。
The subjects were asked to make four repeated sounds –“oo”, “ah”, “eh”, and “ee”.
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