若你还是一个孩子，在学习新事物的时候，你的大脑会创造出越来越多通往不同目的地的道路。
When you were a child as you learned new things, your brain created more and more roads to different destinations.
对旅游者来说，这也是不同目的地之间明确的区别之一。
They're one of the most tangible ways that one destination is distinguishable from another.
这时就在有着不同目的地的不同人群间就浮现一种不断移动的界限，这些界限就是拉格朗日拟序结构。
What emerges is a shifting pattern of borders between groups of people with different goals. These borders are Lagrangian coherent structures.
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