Without the help of his friends, he could not reach his destination on time.
没有朋友的帮助，他不可能按时到达目的地。
Can an athlete reach his full potential without a top class coach?
没有高水平的教练员，能使运动员发挥出他们的全部潜力吗？
Without changing, he would reach a plateau very soon in his career.
不求改变，他的职业生涯很快就会遇到瓶颈。
Without changing, he would reach a plateau very soon in his career.
不求改变，他的职业生涯很快就会遇到瓶颈。
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