Without ecological balance, there is no real economic benefit.
Profitability and responsibility must go hand in hand.
We don't inherit the ocean from our ancestors; we borrow it from our children.
诗歌应当像火焰一样燃烧。
I don’t like to do easy things. I like to be challenged.
Data abstraction is the reduction of a particular body of data to a simplified representation of the whole.
