Model learning: Refers to the process of discovering, learning, and applying best practices from others (or each other) to help improve performance. According to the above definitions, the following are model examples:. ['Xiao Li always loses money when buying stocks. After learning some basics of economics, stocks make some money.', 'The leaders of city A have learned the city construction experience of city B and put forward a satisfactory plan for city construction.', "Xiao Wang saw that Xiao Li's income from planting tobacco leaves was quite good, and he also started planting tobacco leaves.", 'Xiao Zhang, with the help of Xiao Li, finally passed the CET-4.']