Whenyou buy your first car, you experience an increase in demand for gasoline because gasoline is pretty useful for cars andnot so much for other things.

当你购买了你的第一辆汽车，你对汽油的需求就会增加，因为汽油对汽车来说必不可少，而在其他方面却几乎没什么用处。

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But the fleets are also therebecause fish stocks in more temperate waters have been badly overfished -- andnot necessarily just because of climate change.

不得不提的是，船队改变作业地点绝不仅仅因为气候变化，更主要的原因在于温暖水域严重的过度捕捞。

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