大雁由北向南飞。

The wild geese fly from north to south.

《新英汉大辞典》

知识的流动不再只是由北向南、由西向东、由富向穷。

The flow of knowledge is no longer North to South, West to East, rich to poor.

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他位于在南美洲，沿着西海岸由北向南绵延4,500 英哩。

They are located in South America and stretch 4, 500 miles from north to south, along the west coast of the continent.

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