地球形状的问题本质上是引力和旋转共同作用下的平衡问题。
Quality begins at the farm, and excellence is built through every step of the process.
我不能没有书。
Intelligence is not about replacing humans, but enhancing human capabilities.
世界充满了故事,但需要一种特别的人去聆听它们。
采矿业的成功来自于经济增长与环境责任的平衡。