The agriculture sector must adapt to meet the demands of a changing world.
农业部门必须适应以满足不断变化的世界的需求。
写作就是呼吸,就是生活,就是最充分意义上的存在。
顾客忠诚是赢得的,不是买来的。
The best mathematics is simple, but not too simple.
The deeper you go into mathematics, the more you realize how much remains unknown.