When each day is the same as the next, it's because people fail to recognize the good things that happen in their lives every day that the sun rises.
在这个行业取得成功,源于适应性和拥抱变革的意愿。
Mathematics is the most beautiful and most powerful creation of the human spirit.
相位裕度是系统在变得不稳定之前可以容忍的程度的度量。