What word does everyone say is useless?

This is a brain teaser. According to the topic, everyone said it was useless to read any word and got the answer.

Brain broadly refers to thinking and thinking. A sharp turn refers to driving to another route when there is an obstacle in front that prevents the car from driving in a straight line. Usually, under special circumstances, it is necessary to leave the customary route quickly and take another route. Brainstorming means that when thinking encounters special obstacles, you should quickly leave the habit of thinking and think about the problem from other aspects. Generally speaking, it refers to some intellectual questions that cannot be answered by the usual way of thinking.

Origin:

Brainstorming originated in ancient India. Brainstorming is a series of complete comic jokes published by the culture of the times on 1989 12.06, which changed from the comic question on the previous page to the unexpected answer after flipping through it. At that time, there was a social craze in Taiwan Province Province, and all the streets and alleys were asking each other brain teasers, which evolved into a pattern of cold jokes and was later introduced to Chinese mainland.

Classification:

Brainstorming has a wide range of categories, including classics, puzzles, jokes, satire, mathematics, adults, English, all mankind, cold jokes and so on.