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.
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。