安全生产是红线,任何时候都不能放松。
The most profound ideas in mathematics often arise from the simplest observations.
"Memory is not an instrument for exploring the past but its theatre."
质量不是权利;它是一种特权。
If you can dream it, you can achieve it.
诚信采矿意味着为子孙后代留下积极的遗产。
I'm not a person who likes to be average.