To get to higher ground people would often have to travel for many kilometers. This can take more time than a fast traveling tsunami will permit.
人们转移到地势较高处通常需要行程数公里，这远远超出了海啸允许的时间。
Today we find ourselves in a world of increased mobility in which transportation networks permit endless possibilities of travel for work, living, and pleasure we remain connected.
今天，我们发现在一个流动性增加，其中交通网络无限可能性的旅行许可证的工作，生活世界的自己，我们高兴地保持连接。
For example an Indian residing in Canada Europe the UK or the USA holding a residence permit valid for at least 6 months does not need a visa to travel to Costa Rica for tourism purposes.
比如如果印度公民执有加拿大、欧洲、英国或美国的不少于6个月有效期的居住证，则可以以旅游为目的自由出入哥斯达黎加。
Because the theory of relativity is known to permit causal loops, chronology protection would require some other factor to intercede to prevent travel into the past.
由于已知相对论是允许因果回圈的，所以时序的保护就得动用到别的干预因素，以免回到过去。
Because the theory of relativity is known to permit causal loops, chronology protection would require some other factor to intercede to prevent travel into the past.
由于已知相对论是允许因果回圈的，所以时序的保护就得动用到别的干预因素，以免回到过去。
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