This book is a practical sales guide. By teaching precise and strategic discourse skills, it helps readers achieve efficient communication and facilitate transactions in multiple scenarios such as offline sales, live streaming, and telephone sales. The book contains a wealth of scenario simulations and speech examples to help readers quickly master the key skills of building trust, exploring needs, and resolving objections. The whole book is oriented towards scenario-based training, with both conversational skills templates and underlying logic. It is suitable for newcomers to quickly get started and for experienced salespeople to break through bottlenecks, and to achieve a comprehensive upgrade from the application of conversational skills to sales strategies.