膨胀的概念表明，宇宙在大爆炸后不久经历了一段极其快速的扩张期。
The concept of inflation suggests that the universe underwent a period of extremely rapid expansion shortly after the Big Bang.
悲观导致软弱，乐观带来力量。
Those who keep learning，will keep rising in life.
企业的核心竞争力不在于拥有多少资源，而在于如何高效利用这些资源。