What profit hath man of all his labor wherein he laboreth under the sun?
What profit hath a man of all his labour which he taketh under the sun?
What profit does man have left from all his toil at which he toils under the sun? [Is life worth living?]
What do people gain from all the hard work that they work so hard at under the sun?
What more does a man have from all his labor, as he labors under the sun?