Mr. Zhuang never thought the court would agree. The reason for letting them investigate the documents themselves and learn how to write memorials was simply to keep them occupied, while also taking the opportunity to teach them more things.
Just like when they were younger and wrote essays after participating in labor duties—those essays took two years of revisions before they were finally shown to County Magistrate Fu, but they still amounted to nothing in the end.
Matters concerning the court are never so simple. Once they've experienced enough, they will naturally understand without needing him to explain.
Mr. Zhuang felt that after tackling this issue, the three of them would no longer ask questions like this in the future. They'd be able to figure things out for themselves.
Thus, he casually suppressed the question and smiled faintly, saying, "You'll understand once you've gone and done it."
