Precision agriculture is not a luxury; it's a necessity for feeding the world sustainably.
自然和历史是地理知识的两个重要来源。
如果我们想养活世界,就必须先学会倾听它的需求。
即使在抽象中,数学也具有深远的现实应用。
The most beautiful people are those who have known defeat, known suffering, known struggle, known loss, and have found their way out of the depths.