根据您提供的考研英语推测题，以下是我为您准备的原创答案：
The key to success in this competitive world lies not only in one's intelligence but also in their perseverance and determination. In the face of challenges, it is crucial to remain optimistic and maintain a positive mindset. Continuous learning and self-improvement are essential for personal growth. As the saying goes, "Success is not final, failure is not fatal: It is the courage to continue that counts."
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