The will to learn is an intrinsic motive, one that finds both its source and its reward in its own exercise.
I am interested in the human condition, in what it means to be alive, in the nature of existence.
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。
"Real estate is not just about buildings; it's about building communities."