be fair in buying and selling
The Chinese idiom, G ō NGM ǎ Ig ō NGM à I in pinyin, means that the public purchases goods from the people and makes fair trade so as not to make the people suffer losses. It comes from the lamp on the wrong road by Li Lvyuan in Qing Dynasty.
The origin of Idioms
The 17th chapter of Qiludeng written by Li Lvyuan in the Qing Dynasty: "when you were a Taoist, you could buy and sell grass beans in the post, and you would not lose anything to the farmers."
Idiom usage
They don't rob. Yao xueyin's Li Zicheng, Volume 1, Chapter 16
Analysis of Idioms
Fair trade
be fair in buying and selling
restrain the powerful and help the weak - yì qiáng fú ruò
A thousand miles to a conclusion - qiān lǐ jié yán
Three festivals and two longevity - sān jié liǎng shòu