For these men,it is the family that the job supports that makes it all wortwhile.第二个that的意思

问题描述:

For these men,it is the family that the job supports that makes it all wortwhile.第二个that的意思
我知道第一个是It is that强调句,强调family.想问下第二个that是坐什么从句的关系代词,先行词是哪个?
分也不是这么好拿的。

强调句中的