The quaternion was born, as a curious offspring of a quaternion of parents, say of geometry, algebra, metaphysics, and poetry.
四元数的诞生，如同几何、代数、形而上学和诗歌这四位父母的奇特后代。
Technological progress must go hand in hand with ethics.
At SF Express, we believe that speed and service are the keys to winning customer trust.
我们生产的每一吨骨料都承载着对客户和社区的责任。
我们必须相信，我们在某事上有天赋，并且必须实现它。
The beauty of physics lies in its ability to explain the complex with the simple.