鳕鱼干和鲱鱼干已经是欧洲鱼类贸易的主要产品，但水温的变化迫使渔船在离岸更远的地方作业。
Dried cod and herring were already the staples of the European fish trade, but changes in water temperatures forced fishing fleets to work further offshore.
鳕鱼干和鲱鱼干已经是欧洲鱼类贸易的主要产品，但水温的变化迫使渔船在离岸更远的地方作业。
Dried cod and herring were already the staples of the European fish trade, but changes in water temperatures forced fishing fleets to work further offshore.
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