model methodology

例句：

1. 1. The model of the new car is very sleek and modern.
   这款新车的模型非常流线且现代。
2. 2. She used to be a model student but now she's struggling with her studies.
   她曾经是个模范学生，但现在她在学习上遇到了困难。
3. 3. The model for this dress is quite popular among women.
   这款裙子的模特在女性中相当受欢迎。