If you win the silver medal then either today or tomorrow

 people will forget you.

 But you'll become an example

 if you win the gold medal ...

 and examples are given, you don't forget them.

未经允许请勿转载：仙峰涯 » 拿了银牌，人们迟早会忘记你。但是拿了金牌，你就是榜样。人们永远不会忘记榜样。