What is the function of context in communication? Try to explain the following utterances rather than just state facts.(本题20.0分)

The room is messy. (2) It would be good if she had a green skirt on. It occurs before and / or after a word, a phrase or even a longer utterance or a text. The context often helps in understanding the particular meaning of the word, phrase, etc. The context may also be the broader social situation in which a linguistic item is used. (1) a. A mild criticism of someone who should have cleaned the room.