The perfection of machinery is to produce the desired effect with the least possible friction and waste.
Innovation in science often comes from looking at old problems in new ways.
解释:没有不犯错误的完人,只要能及时改正自己的错误,就是最好的了。
团队的力量在于其成员的多样性。
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 disapprove of what you say, but I will defend to the death your right to say it.