Engineers should not be careless when dealing with their own work. A decimal point error may lead to future disasters, so we must focus on each project.

3, cows eat grass, horses eat food, cows enjoy the least and contribute the most, so they are still scalpers. I am willing to be an old ox for the party and the people all my life.

4. Being busy is a kind of happiness, which makes us have no time to experience the pain; Running around is a kind of happiness, which makes us truly feel life; Fatigue is a kind of enjoyment, which leaves us no time to be empty.

Engineers should not be careless when dealing with their own work. A decimal point error may lead to future disasters, so we must focus on each project.

6. They appear in every corner of the street before dawn every day. Where there is rubbish, there is their hard work. Every hard-working figure embodies a heart dedicated to the public.

7. I am by no means an artistic genius. In order to explore profound artistic skills, I have been ups and downs in the ocean of suffering and gradually see the light from chaos. God didn't give me anything unique. Every step I took, I paid all night's hard work and bitter thoughts in the frosty morning and rainy night.