Every challenge is an opportunity to learn and grow.

The Tesla Roadster… it’s a two-seater sports car， very high performance…In fact， it’s beat any Ferrari or Aston Martin in acceleration.And it has more than twice the energy efficiency of a Prius.

Every organism is in a struggle for existence.

译文：我在人群中千百次地寻找他，不经意间一回头，却发现那个人站在灯火稀疏、幽暗冷清的地方。