China is the first and only country to have commercial high-speed train service on conventional rail lines that can reach a top operational speed of 350 km/h.

中国是第一个也是唯一一个在传统轨道线路上，拥有最高运营时速达到350公里的商业高速列车运行服务的国家。

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Having schools spread across the country meant adjusting the lines of communication so that the high quality of the concept remains intact.

学校遍及全国各地意味着需要调整交流渠道以保证教学质量保持统一。

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