Question mark is an auxiliary symbol tool of mood and intonation, which indicates the pause and tone after a sentence. Used at the end of questions, rhetorical questions and rhetorical questions. A pause at the end of a question sentence with a question mark. Question marks are also used at the end of rhetorical questions. Generally, question marks do not appear at the beginning of a line. There are rhetorical questions, questions, etc.

From the moment you come to this world, the question mark will accompany you all your life. It is inseparable from you. It exudes magical charm for you to uncover its meaning. What is the question mark? The question mark is a key, which opens the door of wisdom. Knowledge never comes to the meeting. Question marks let you see incomprehension and deficiency; The question mark will urge you to work hard and study. When you see it, you always think of turning it into a full stop. This is the beginning of the struggle.

Source: @ink_addicts_bklyn