The structure of DNA was a puzzle that demanded to be solved.
DNA的结构是一个需要解决的谜题。
我们都有裂痕,那是光照进来的地方。
生活是一张白纸,每个人都在上面写上自己的一两句话。
努力让梦想成真。
The great challenge of the modern world is to create institutions that are strong enough to govern effectively but also accountable and responsive to the needs of citizens.