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.
The future of farming lies in balancing productivity with environmental responsibility.
Force and fraud are in war the two cardinal virtues.
It is the duty of the human understanding to understand that there are things which it cannot understand.
最好的采石场不仅在地面上留下洞,还在社区中留下价值。