Master business management and marketing sales knowledge, know about trend of market need, status and development trend of bus and coach technology.
经营管理知识，市场营销知识，了解市场需求趋势，产品技术现状和发展趋势。
Master business management and marketing sales knowledge, know about trend of market need, status and development trend of bus and coach technology.
经营管理知识，市场营销知识，了解市场需求趋势，产品技术现状和发展趋势。
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