The stall-keeper is an important tradesman community in the Chinese history. It plays vital role in promoting circulation of commodities and facilitating the residents.

摊贩是中国历史上重要的零售商人群体，其在促进商品流通、方便市民生活方面发挥了十分重要的作用。

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Qi is promoting blood circulation of qi, blood flow, and anxiety to cure.

气机是推动血液循环的原动力，气机通畅，血脉得行，心病可治。

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The increase of soil enzyme activity and microorganism amount indirectly bring positive effects on fruit quality and yield by promoting nutrition circulation courses.

土壤酶活性以及微生物数量的提高通过促进养分循环过程间接对果实营养成分和产量产生积极的影响。

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The trick (it feels more like a scam) is to use a government program meant for promoting the circulation of dollar coins for everyday use.

FORBES: Fly For Free Thanks To The U.S. Mint