Speech act includes locutionary act, illocutionary act and perlocutionary act.

言语行为包括言内行为、言外行为和言后行为。

What are the differences among locutionary act, illocutionary act and perlocutionary act?

言内行为、言外行为和言后行为有什么区别？

Of these dimensions, the most important is the illocutionary act (also called illocutionary force).

这些方面，最重要的是言外行为。

As the unit of language, person deixis and vocatives also have the functions of 'illocutionary act'.

指示语与称呼语作为语言单位，同样具有“以言指事”的这些功能。

Apology is, in communicative activities, an illocutionary act of remedy and a social act of politeness.

道歉是交际中的一种补救性施事言语行为，也是一种礼貌的社会行为。