Batna
abbr. 达成谈判协议的最佳选择方案（Best Alternative to Negotiated Agreement）
🗣️ 情景例句
That sounds very nice. When will it be?
听起来真不错，什么时候呢？
Step by step the ladder is ascended.
登梯需要逐级登。
Is she at school today?
她今天上学来了吗？