Death is one of the few things that can be done as easily lying down.

Coal is China's main energy source and will remain the cornerstone of China's energy security for a long time to come.

伟大的小说是一个自成一体的世界，有自己的法则和逻辑。

工程事业必须学术和经验相辅相成，仅靠空谈绝对难以胜任。