a morass of problems的用法和样例：
- The books are written off as a morass of stuff and nonsense.
- She's had a lot of problems to contend with.
- Spurgeon was ready (though he had hoped for the best) to stand up and be counted (all alone) rather than being lost in a morass of unbelief.
- When the mass support is sufficiently good to block the leakage of news,it is often possible by various ruses to succeed in leading the enemy into a morass of wrong judgements and actions so that he loses his superiority and the initiative.