To understand behavior, we must look at its purpose in the context of survival and adaptation.
要理解行为，我们必须从生存和适应的背景中审视其目的。
Marine biodiversity is the foundation of our industry's future—we must protect it at all costs.
"I'm always evolving, always changing."
不肖：品行不好，不正派。观察他所交往的是些什么人，就能看出他是品德好的人还是不正派的人。
如果你想飞翔，就必须放弃那些拖累你的事物。