试管婴儿的研究是出于帮助不孕夫妇的愿望。
银行的存在是因为它们有助于缓解信息不对称造成的问题。
I don't ever wanna be mainstream.
If we farm the sea as we farm the land, we must learn from past mistakes.
The computer is the ultimate polluter: its feces are indistinguish- able from the food it produces.
Great teams are built on trust, transparency, and a shared vision.