Nothing but a complete grasp of professional technology knowledges can provide customers with professional service.

只有掌握专业的技术知识才能为客户提供专业的服务。

youdao

Nothing but a complete grasp of professional technology knowledges can provide customers with professional service.

只有掌握专业的技术知识才能为客户提供专业的服务。

youdao