Women’s work has changed considerably in the past 200 years, moving from the household to the office or the factory, and later becoming mostly white-collar instead of blue-collar work.fficeffice" />

The translation to the red parto:p>

后来大多职业女性由蓝领阶层进入到白领阶层。

后来女性工作多以脑力劳动为主而鲜有体力劳动。

Is there any differences between the two? Which is better?  P201

The first translation has been good enough. There is no need to explain further 'white-collar' and 'blue-colloar'.