Every material has its own memory and history.
最强大的生态系统是那些具有多样性的生态系统。
We all complete. Maybe none of us really understand what we’ve lived through, or feel we’ve had enough time.
模型检查是验证有限状态并发系统正确性的强大技术。
Most people are afraid of change,but if you look at it as something you can count on,then it can be a comfort.There's not many things you can really count on.