Sustainability is not an option; it's a responsibility we owe to future generations.
你看到事物时会问“为什么?”而我梦想从未有过的事物时会问“为什么不呢?”
We are all trapped in the web of language, but it is also our only means of escape.
The theory of economic development is the study of how the economic system generates the forces which incessantly transform it.