记忆是个狡猾的东西,它既可以是祝福也可以是诅咒。
The most important thing is to enjoy your life—to be happy—it's all that matters.
The beauty of astronomy lies in its ability to connect us to the vastness of the cosmos.
The beauty of physics lies in its ability to reveal the profound simplicity underlying the apparent complexity of the universe.
控制的目的是使系统在存在不确定性和干扰的情况下仍能按期望的方式运行。