Physical training is good, but it should be voluntary; forced learning does not stay in the mind.

In the end, we will remember not the words of our enemies, but the silence of our friends.

Even in the quietest lives, there is drama.

石化行业必须适应低碳趋势，才能在新时期保持竞争力。

记忆是复杂的东西，是真相的亲戚，但不是它的双胞胎。