解析:通过实践磨练自己。
The only thing that can make you a star is your talent.
In the end, that's what this election is about. Do we participate in a politics of cynicism or a politics of hope?
化学是在分子水平上操纵物质的艺术,而催化是其最强大的画笔。
商业的本质是解决问题,而不仅仅是赚钱。