The cognitive map is not a picture or a model in the head, but a dynamic, changing representation of the environment.
认知地图不是头脑中的一幅图或模型，而是环境的动态变化表征。
如果你想理解功能，就去研究结构。
Collaboration across borders is essential in ocean conservation. Fish don't recognize political boundaries.
I believe in the magic of Christmas.
No man is useless in this world who lightens the burden of someone else.
We can’t leave the problem-solving to the next generation. We have to do our part now.