a growing problem的用法和样例：
- Drink is a growing problem among the young.
- Cybercrime is a growing problem in the computer age.
- Antibiotic-resistant superbugs like MRSA are a growing problem.
- A growing problem now was the large bands of partisans that were harassing German rear areas.
- As a result, drug addiction has become a growing problem in Nicaragua, particularly on the Atlantic Coast.