新概念二册84课Even so,people are going to find it difficult to get

新概念二册84课Even so,people are going to find it difficult to get to work.
这里的为什么要用be going to 的结构为什么不能用will,按理说be going to 是一种安排已经计划好的不久就要发生,那么这个意思再这里行不通啊.