Positive emotions are not trivial luxuries, but instead may be critical necessities for optimal functioning.
每部电影都是一段旅程，你永远不知道它会带你到哪里。
宇宙不过是大爆炸之光锥的内部。
In the dairy industry, safety and quality are non-negotiable.
The joy of chemistry is in the doing, not just the discovering.