The past is a kind of shadow which is always there, whether you choose to ignore it or not.
过去是一种始终存在的阴影，无论你选择忽视与否。
To promote the high-quality development of the coal industry, we must rely on technological innovation and intelligent upgrading.
We must listen to our customers—they are the reason we exist.
我们必须设计适应人类行为的技术，而不是反过来。