"Sentence slimming" is a metaphor for simple sentences, that is, removing the modified and restricted words in the sentence and keeping the trunk of the sentence. The principle of tightening is: after tightening, the sentence should maintain a certain integrity, the original intention of the sentence cannot be changed, and the negative adverbs cannot be removed.

People gathered in the square.

Chairman Mao read out the announcement in the applause of the masses.

Snow water flowed down the cliff.

The evening breeze reminded me.