a meaty discussion的用法和样例：
- A meaty theme for study and debate.
- It was a meaty scene as far as acting goes.
- It's also a meaty, blood-soaked melodrama filled with intrigue, deception and incest.
- In the finished episode, it's a meaty punch to a bug's midsection that clues her in.
- Chapter III turns to a meaty exposition of the ratione materiae of international criminal law, namely the substantive international crimes.