The company has a history of poor 'labor relations'. [=the workers and the managers of the company have had many disputes]
I don't want to 'labor' [='belabor'] 'the point', but I think I should mention again that we are running out of time.
She worked hard for many years, but now she has retired and is able to 'enjoy the fruits of her labor/labors'.
(..) where they had come that night, Allie would find a way to come back to him. Some called it a labor of love. Others called it something else. But in fact, Noah had gone a little mad. - Excuse me. (..)2004 The Notebook