改变始于一小步,但需要集体的努力才能使其持久。
Every building is a prototype; no two are exactly alike.
The task of psychology is to reduce complex mental phenomena to their simplest components.
可持续性不是一种选择;它是农业未来的必需品。
The tears of the world are a constant quantity. For each one who begins to weep, somewhere else another stops. The same is true of the laugh.
除非我能看到50%的回报,否则我从不买股票。