DNA的结构是一个需要解决的谜题。
The structure of DNA was a puzzle that demanded to be solved.
可持续发展不再是可选项;它是任何希望长期繁荣的企业的必需品。
思想开阔,才能包容天下的千山万壑;思想谦虚,才能接受天下的真知大德;思想平明,才能纵论天下的善恶得失;思想深沉,才能讨论天下的学说哲理;思想稳定,才能应付天下的风云变幻。
In times of crisis, the best leaders are those who remain calm and focus on solutions rather than problems.
I write songs not for awards but because I love it.
The story of human evolution is a story of migration and mixing.