Most theories are specialized theories, but these two views are grand theories.

大多数理论的适用范围都是有所限定的，但这两个理论则是大理论。

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Before fully committing money to Genentech, Perkins and his collaborators contracted out those questions to two specialized research outfits.

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Many retailers pledge loyalty--or 80% of sales--to one of the top two brands, Trek or Specialized.

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Hiring needs have changed over the past two decades and companies are seeking more specialized experience and skills.

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