If he had been a poor man he would probably have deserted her, but he was rich, and a man cannot freely leave a prospering business because his domestic life happens not to be happy.

如果他是个穷人，也许他会抛弃她，但是他很富有，而一个人不能因为家庭生活碰巧不幸就轻易放弃一份蒸蒸日上的事业。