In Pakistan and India, two of the nations that benefited most from the new crop varieties, grain yields more than quadrupled over the period.

在巴基斯坦和印度，这两个从新粮食作物品种中受益最多的国家，在那段时间粮食产量增长了四倍以上。

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After decades in which they have not encountered the disease most of the world's wheat varieties have fallen behind in the endless battle of thrust and counter-thrust waged by predators and prey.

这种病害已经有数十年未曾遇到，所以世界上大多数种类的小麦已经在生物圈中捕食及被捕食的进化规则中落了下风。

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Nori is certainly the kind of Japanese seaweed that is most familiar in the West, but it is only one of many varieties widely eaten and enjoyed in this country.

紫菜肯定是西方最熟悉的日本紫菜，但它仅仅是在该国被广泛食用和享用的许多品种之一。

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Nobody cared that Yessie was the most winning black poodle of all varieties in the history of the American Kennel Club.

FORBES: Stump Is The Exception

In early tests researchers have stopped the growth of the most virulent human tumors, varieties accounting for 25% of cancer deaths.

FORBES: Magazine Article

There are more than 400 varieties of avocado, but Hass has become the most popular in the United States.

NPR: What's in a Name? The Avocado Story