复杂性

例句：

1. 1. The problem is that the software has a high complexity.
   问题在于软件的复杂性很高。
2. 2. The new system is designed to be highly complex.
   新系统被设计为高度复杂。
3. 3. The solution to the problem requires understanding the complexity of the situation.
   解决这个问题需要理解情况的复杂性。