In plains or key passages it was built very high and solid, while relatively low and narrow on high and steep mountains to reduce the cost of money and man labor.

凡在平原或要隘之处修筑得十分高大坚固； 在高山险峻之处却较为低矮狭窄，以节约人力和费用；

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The paper analyzes the importance of labor transfer to the new socialist rural constructions in poor mountain areas. Based on the investigation of Dabie mountains.

本文结合大别山区的实际，分析了劳动力转移对我国贫困山区新农村建设的意义。

youdao

Yamantau in the Ural Mountains, upon which some 20, 000 workers continue to labor to this day.

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