我唯一的竞争对手是我自己。
States are inherently aggressive and expansionist.
柠檬问题是指买家无法确定产品质量,因此只愿意支付反映平均质量的价格。
I don't like to gamble, but if there's one thing I'm willing to bet on, it's myself.
The perfection of machinery is to produce the desired effect with the least possible friction and waste.