a large and complex issue的用法和样例：
- The prince lived in a large and beautiful castle.
- Chinook must make complex decisions in a large and complex space with many possible positions.
- He thus became the symbol of the unity of the family, and such a symbol was indispensable for a large and complex organization.
- Because of their desire, ranging from the environment, there are differences in their ability to form a large and complex system of survival and social relations.