While it is likely that fewer varieties of plant seeds have reached Hawaii externally than internally, more varieties are known to be adapted to external than to internal transport.

虽然从外部到达夏威夷的植物种子品种可能比从内部到达夏威夷的品种要少，但已知的适应外部运输的品种比适应内部运输的品种要多。

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There are many varieties and grades of paper materials, and whilst it is fairly easy to spot the varieties, it is far more difficult to spot the grades.

纸张材料有许多品种和等级，虽然很容易分辨它们的种类，但要分辨它们的等级就困难得多了。

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Scientists believe that over the past century, we have allowed more than half of the world's food varieties to disappear.

科学家们认为，在过去的一个世纪里，我们已经让世界上超过一半的食物种类消失了。

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The type of flu that is going around is called H3N2, which is often linked to more serious disease compared to other flu varieties, Fauci said.

CNN: Flu picks up steam across the U.S.

In the same way wine drinkers' tastes have graduated by baby steps from Mateus to Cabernet to Pinot Noir, garlic lovers are starting to seek out more exotic varieties of bulb than those traditionally found in supermarkets.

FORBES: Next Step For Garlic Lovers? Connoisseurship

Today thinkThin launches its newest offering, the Divine bar, a product that Falsetto hopes bridges the relationship between nutrition and candy and adds several more SKUs to her expanding product line ( five varieties in more than a dozen flavors).

FORBES: To Sell Skinny, ThinkThin's Model Founder Gambles On Good-For-You Candy