谈判是斗争与妥协、进取和让步的辩证统一体。有得必有失，有争必有让，没有让步的谈判难以构成真正的谈判。纵观周恩来辉煌的谈判生涯，让步——有原则的让步，是他采用得最多、也是最娴熟的一种策略。坚持原则而不死板，注意灵活但不出格原则性与灵活性相结合，是谈判学强调? Negotiation is a dialectical unity of struggle and compromise, progress and compromise. There must be gains and losses, contention must be allowed, and negotiations without concessions make it difficult to form a real negotiation. Throughout Zhou Enlai’s brilliant career in negotiations, concessions - with concessions in principle, he adopted the most and most adept tactics. Adhere to the principle of not rigid, pay attention to flexibility, but not the combination of principle and flexibility, negotiation is emphasized?