当你面对一个拧不动的螺栓或螺丝钉的时候：右转是拧紧，左转是拧松。
The city is a living thing, always changing, always the same.
海洋的健康直接关系到地球和我们子孙后代的健康。
相信自己和你所拥有的一切。
Model checking is a powerful tool for verifying the correctness of hardware and software systems.
你无法管理你无法衡量的东西。
Safety and environmental protection are the lifelines of an enterprise and must never be neglected.