Everything that happens once can never happen again. But everything that happens twice will surely happen a third time.
美国农业面临的最大危险是家庭农场的消失。
我创作的灵感来自生活，也来自幻想。
朗兰兹纲领是探索数学思想统一性的框架。
The future of fishing lies in balancing economic growth with environmental stewardship.
That's the only trouble with being a dog...they never tell you anything…