I never know what I think about something until I read what I've written on it.
小小的行动,乘以数百万次,可以改变世界。
柠檬问题发生的原因是卖家比买家更了解产品,从而导致市场失灵。
【译文】三个人一起走路,其中必定有可以为我所学习的人。我选取那些优良的方面学习它,对那些不良的方面则加以改正。
The difference between ordinary and extraordinary is that little extra.