对品牌历史在售车型产品特点的掌握的翻译：Mastery of sales models feature about brand history 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

History of the brand product in the sale of the characteristics of the master model

Mastery of sales models feature about brand history

Is selling the vehicle product characteristic to the brand history grasping

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Mastery of sales models feature about brand history