what are the most difficult things in their 20s?
1. There are always going to be people who are smarter, better looking, more sociable, and just all around "better" than you. In fact, you'll learn there are LOTS of people who fit that description. To be happy, then, you have to learn to accept yourself and your shortcomings.
总是有人比你聪明，好看，圆滑并且在各方面比你棒。实际上，你会发现有很多人达到那些描述。你要开心，然后， 必须学着去接受自己和自己的短处。
2. Success does indeed come from hard work. Hard work without talent doesn't ensure success, but talent without hard work ensures mediocrity.
成功确实来自于努力工作。只是努力工作而没有天分确实难以保证成功。但是虽有天分却不努力必将平庸。
3. It's unlikely you'll become anything close to your wildest ambitions, simply because you'll learn everyone has big ambitions, and there's only so many slots in this world.
也许你并不一定能达成你最狂野的野心，只是因为你会了解每个人都有大的期望但是世界上只有那么多好位置。
4. Idealism aside, money = opportunity and therefore matters. Relationships and power matter more.
唯心主义的名言，时间等于机会和之后的麻烦事。关系和能力才是最重要的。
5. Friendship isn't forever. Social and economic status does create divides and strains in even the oldest relationships.
友谊并不会地久天长。社会和经济地位的不同，使即使最长久的友谊也会萌生裂隙.
6. Adult life is about learning to live with ambiguity. Remember when you thought you'd have it all sorted out by 30? No. Whether it be your career, your relationships or your beliefs, you will always question whether you are making the right choices and will have to deal with regret.
成人生活就是学着去模棱两可的生活。记住当你感觉你已经在30之前就把生活安排妥当了是绝对错误的想法。它们可以使你的职业生涯，你的关系处理或者你的信仰。你会一直拷问自己是否做了正确的选择抑或会和后悔相抗争。
7. Metabolism slows.
新陈代谢开始变慢。你已经老了。。。