Economics is the study of how societies use scarce resources to produce valuable goods and services and distribute them among different individuals. If we think about the definitions， we find two key ideas that run through all of economics:
经济学特别是宏观经济学中说的投资是耐用资本品如厂房设备的生产，而平常说的“投资”是指购买资产如股票，这和经济学中的投资不同，为了区分，这种投资被称为金融投资。
Art is not an escape from reality, but a deeper engagement with it.
精准农业不是奢侈品，而是可持续养活世界的必需品。
"We are all in the gutter, but some of us are looking at the stars."
走向自由，不管在哪，都没有轻松的道路；多数人在到达渴望的巅峰之前，都必须一次又一次穿过被死亡阴影所垄罩的幽暗山谷。
"To understand the world, you must first seek to understand yourself."
我不是说唱歌手，我是一个说话的传奇。
In the theatre, we are all equal. The stage is a place where social hierarchies dissolve, and we are left with the raw essence of humanity.