Landmarks are esstial to way-finding in large environment,but they alone are not sufficient for travel.Landmarks must be linked in a particular sequence of landmarks is not what we expet ,wequickly have the felling of "being lost".Routes can thus be consented a kind of spatial"glue"that links landmarks.
大哥大姐帮帮忙啊啊,等我有了钱肯定感谢
谢啦。没什么给你的,就祝你生日快乐吧!
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