a staggering problem的用法和样例：
- Building rubbish has already become a staggering problem in waste products management and environmental pollution.
- A staggering or tottering movement or gait.
- He gave a stagger on hearing the news.
- She gave a stagger as she began to feel faint.
- Profits have shot up by a staggering 25%.
- Nobody could solve the staggering problem no matter how hard they tried.