瑞典渔获观察员：每天出海记录鱼群数量，守护海洋未来
In Sweden, some people have a special job. They work on fishing boats. Every day they go out into the cold sea. Their job is to watch and count the fish. They are called catch observers.
The observers look at each fish. They measure how big the fish is. They write down what kind of fish it is. They also count how many fish the boat catches. This is important work.
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