互通有无 Mutual exchange of resources
Explanation
指双方互相交流，交换彼此有的东西，以弥补各自的不足。
It refers to the exchange of resources and information between two parties to make up for each other's shortcomings.
Origin Story
很久以前，有两个村庄，一个村庄盛产粮食，另一个村庄盛产棉花。由于交通不便，两村村民长期以来都过着自给自足的生活，生活水平难以提高。后来，一位名叫王大智的年轻人，他意识到两个村庄可以互通有无，共同发展。他带着村里的粮食到另一个村庄，与村民交换棉花。同时，他也把棉花的种植技术带回自己的村庄。两个村庄从此开始了互通有无，互相帮助，共同发展，经济水平得到了很大的提高，从此过上了幸福的生活。
Long ago, there were two villages. One village produced a lot of grain, and the other produced a lot of cotton. Due to inconvenient transportation, the villagers of the two villages had been living a self-sufficient life, and their living standards could not be improved. Later, a young man named Wang Dazhi realized that the two villages could exchange goods and resources with each other and develop together. He took the village's grain to the other village and exchanged it with the villagers for cotton. At the same time, he brought the cotton planting technology back to his own village. From then on, the two villages began to exchange goods and resources with each other, help each other, develop together, and their economic level was greatly improved. They lived a happy life from then on.
Usage
用于形容双方互相交流，交换资源，共同发展。
Used to describe how two parties exchange resources and grow together.
Examples
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邻里之间要互通有无，互相帮助。
linli zhijian yao hutong youwu, huxiang bangzhu.
Neighbors should help each other and share resources.
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企业之间要互通有无，才能共同发展。
qiye zhijian yao hutong youwu,caineng gongtong fazhan.
Companies should communicate and share resources in order to grow together.