一个人要在事业上获得成功，必须自力更生、目标明确、坚韧不拔。

一个人要在事业上获得成功，必须自力更生、目标明确、坚韧不拔。
【正确答案】：To make one success in his business, one must be self—reliant and perseverant with a definite objective.