The work on IVF was driven by the desire to help infertile couples.
试管婴儿的研究是出于帮助不孕夫妇的愿望。
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
The most sustainable building is the one that people love.
The answer, my friend, is blowin' in the wind.
红海代表当今存在的所有行业——已知的市场空间。