20. Read through the full text and talk about the meaning of "happiness" of migrant workers' fathers. (Just write two points) (4 points) ①

(4 points. Example: (1) Father finally realized his wish to show his masterpiece to the children in the city. (2) Father feels that he can enter the urban family and feel the warmth of an urban family. Father feels that his personality is respected by others. The son is proud of his father, and his father is also very happy. (6 points. 3 points for each aspect, 2 points for evaluation, such as 1 point) Example: ① He is a careful and considerate father. For example, he overcame all kinds of difficulties and begged city people to show their children the house he built in the city. He is a responsible and self-motivated migrant worker. For example, he said to his son, "I am responsible for building the wall ... I must be careful, be careful with my hands and my eyes." There can be no deviation. " "... I also passed the intermediate mechanic exam. Now, I am also a construction worker with a diploma. (3 points) For example: "How is it impossible? I will study hard and I will succeed in the future. I will definitely let you and your mother live in the house you built in the city and live the same life as the city people. "