People do it at the expense of everything that was a constant in their lives.这是什么人句?it指哪个
问题描述：
People do it at the expense of everything that was a constant in their lives.这是什么人句?it指哪个
People do it at the expense of everything that was a constant in their lives.这是什么从句？it指哪个？
上下文：
答
it 不知道指的什么 没有上下文?
people主语
人们会花费生活中有限的所有资源去做这件事