存在的一个问题是，信用评级机构对他们投资的大部分债券都给予了 AAA 的评级。

Part of the problem is that the rating agencies were rating their securities that they were investing in as AAA, in many cases.

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这个领域仍然存在很多无法回答的问题，但是鱼类和海鲜是地中海饮食的一个主要部分。

There are still a lot of unanswered questions in this area, but fish and seafood are a major part of the Mediterranean diet.

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雨林的这些不同部分共同存在，为许多动植物以及人类创造了一个生态系统。

These different parts of a rainforest exist together to create an ecosystem for many animals, plants and human beings.

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It has, in other words, an internal coherence. It has a dynamism of parts that is strictly with reference to its own existence.

换句话说，这是一个内部的呼应，每一个动态的部分,只为自身整体的存在而存在。

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The engine is a prior existing part, so can we conclude then that from the fact that argument from recycling, cars get reused, get rebuilt, when cars get destroyed, its parts is still around.

发动机是之前就存在的一个部分，所以我们可否得出结论说,根据源于轮回的论证，汽车重复使用，重新组装,汽车坏了的话，它的零件还在。

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