书籍是代际之间的桥梁。
"Books are the bridges between generations."
What's terrible is to pretend that second-rate is first-rate. To pretend that you don't need love when you do; or you like your work when you know quite well you're capable of better.
Life is an adventure, dare it.
PID控制器的本质在于它能够根据系统的过去和现在状态预测其未来行为。
如果你要描述真相，就把优雅留给裁缝。