向学生系统阐述了商务谈判与推销活动的原理、方法、策略和技巧。的翻译：Systematically expounded the business negotiation with promotional activities to students the principles, methods, strategies and skills. 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

Systematically explained to the students and the marketing activities of business negotiation principles, methods, strategies and techniques.

Systematically expounded the business negotiation with promotional activities to students the principles, methods, strategies and skills.

Elaborated the commercial negotiations and the sales promotion principle, the method, the strategy and the skill to the student system.

students to systematically elaborated the business negotiations with the principles, methods, and marketing activities strategies and skills.

Systematically expounded the business negotiation with promotional activities to students the principles, methods, strategies and skills.