Performative
a. [语][哲](表)述行(为)的 \\nn. [语]述行语,述行成分
🗣️ 情景例句
How are you doing?
你怎么样？
I can't say…
有口难言。
The problem now facing humanity is: What is going to be done with all this knowledge?
用这些知识去做什么？