It is necessary to grasp the real situation and form insights. Eating steamed bread chewed by others is tasteless. The next sentence can be to grasp the real situation and form a feeling. "Eating steamed bread chewed by others is tasteless" is a classic saying left by Jiao, a good cadre of the Party and a good public servant of the people. This unpretentious and easy-to-understand sentence shows the fine style of the producer of * * * and contains the working methods of investigation and research.