Ann is my classmate. She comes from New York, and she lives in Shanghai with her parents now. Every morning, she goes to KFC to have breakfast. Sometimes she buys a hamburger for me. She can't speak Chinese well. In the evening, her father often helps her with it. He's a teacher in our school. He can speak Chinese very well.

    Ann thinks the school life(生活)in China is very interesting. Ann likes reading Chinese books because she wants to know more about China. She tries(努力)to talk with her Chinese friends in Chinese. She hopes to speak Chinese well. She is very happy to live in China. She loves people here.

2014年5月22日，***在上海外国专家座谈会上指出，不拒众流方为江海，中国要永远做一个学***国……不论发展到什么水平都要虚心向世界各国人民学习，加强同世界各国的互容、互鉴、互通，不断把对外开放提高到新的水平。
依据上述材料，综合运用所学知识谈谈我国为什么要永远做一个学***国？