海洋里的鱼是很丰富的，因而海岸处的幸存社区应当把海洋看做首要的食物来源。
Fish will flourish in the oceans, so survival communities on coast lines should rely upon this are a first resource.
在透明的海洋里，科学家们有工具来获知哪里有鱼，有多少鱼，和鱼群的去向。
In the transparent ocean scientists have the tools to say where fish are, how many of them there are and where they are going.
在过去的几十年里，鱼和其他海洋生物的数量戏剧性地减少。
The Numbers of fish and other ocean life have dropped dramatically in the past few decades.
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