industry and opportunity were the chief factors in his success
Related Translations:
勤奋: diligent; assiduous; industrious; hardworking 短语和例子工作勤奋 be diligent in one's work; 非常勤奋的人 a man of great industry; 勤奋学习 be diligent at one's lessons; 他勤奋极了。 he is ever so diligent