不幸的是，您遇到的一个问题是，您在第一篇文章中所创建的方案模型不能直接复用到此练习中。

One issue you do face, unfortunately, is that the schema model you created in the first article is not directly reusable in this exercise.

youdao

不幸的是，您遇到的一个问题是，您在第一篇文章中所创建的方案模型不能直接复用到此练习中。

One issue you do face, unfortunately, is that the schema model you created in the first article is not directly reusable in this exercise.

youdao