All the acts that belong to the same category share the same purpose or the same illocutionary point, but they have different strength or force. 所有屬于同一類(lèi)型的言外行為都有著(zhù)相同的目的或言外之力，但它們在力度或力量上有差別。
Stark's Indirect Speech Act Theory analyzes meaning from the perspective of use and communication, promoting our understanding of the essence of illocutionary force. 摘要塞爾的間接言語(yǔ)行為理論從使用和交際的角度研究語(yǔ)言的意義，有助于認識言外之力的本質(zhì)。
