meaning and role

• 意义和作用

meaning and role的用法和样例：

例句

1. It is important to understand the meaning and effects of the abovementioned factors.
   了解上述因子的意义和作用是很重要的。
2. Laws are a dead letter without courts to expound and define their true meaning and operation.
   法律如果没有法院来详细说明和解释其真正意义和作用，就是一纸空文。