约化群理论是朗兰兹纲领的支柱。
The theory of reductive groups is the backbone of the Langlands program.
投资于低排放技术不仅对地球有益，也具有良好的商业意义。
金属包装行业有责任开创循环经济的解决方案。
The most beautiful curves on a woman are her smiles.
It is during our darkest moments that we must focus to see the light.
Change will not come if we wait for some other person or some other time. We are the ones we've been waiting for. We are the change that we seek.
