这些传统包括几个世纪以来被称之为“bul”的旧习俗，领导人会要求暂停捕捞一些重要种类的鱼，给鱼类总储备量繁衍补充的机会。

These include the centuries-old custom of "bul", where leaders would call a temporary stop to fishing for key species in order to give fish stocks an opportunity to replenish.

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总之，据BBVA称，这些人没有抢而是补充了当地人的工作，因为他们多数是在饭店、建筑工地或家里工作。

Above all, they tend to have jobs—on construction sites, in hotels and homes—that do not replace but complement American jobs, according to BBVA Bancomer.

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但是，他也补充道，这些机器人实际上是为了更小的区域性清理而设计的。

But the robots were actually designed with smaller, localized clean-ups in mind, he said.

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