首先明确几个概念，英雄、专注力、坚持。

英雄：A hero (masculine) or heroine (feminine) is a person or main character of a literary work who, in the face of danger, combats adversity through impressive feats of ingenuity, bravery or strength, often sacrificing his or her own personal concerns for some greater good.英雄（男性化）和女主角（女性）是一个人或一个文学作品的主角是谁，在面对危险，经过巧思，勇敢和力量的令人印象深刻的壮举对抗逆境，往往牺牲了一些他或她自己的个人事务更大的利益。（参考https://en.wikipedia.org/wiki/Hero）

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