Verbal communication is an interactive process involving utterance production by the speaker and utterance understanding by the hearer, with the latter being a key point in successful communication.
What must a hearer know about a speaker to be entitled to trust his assertions?
一个听者要知道的是，言说者言论的凭借什么来发表他的言论?。
3
Imperative is a very popular linguistic phenomenon, which has a prototypical meaning that "the speaker requires the hearer to do or not to do something".