He succeeded both because he was industrious and because he had many friends to help him.
他的成功是由于勤勉和许多朋友的帮助。
He may not be so clever as Peter, but he is as industrious as can be.
他也许不如彼得聪明, 但却用功极了。
He succeeded because he was industrious as well as because he had many friends to help him.
他的成功是由于勤勉和许多朋友的帮助。