The book suggests people with type O blood should eat more meat and less bread.
这本书建议 O 型血的人应该多吃肉，少吃面包。
Unfortunately many readers with type o blood followed this advice, which turned out to be quite wrong.
不幸的是，许多O型血的读者遵从了这一建议，结果表明是十分错误的。
Blood type o can receive only o blood but are "universal donors" because o is acceptable to all other blood types.
O型血的人只能接受O型血，但O型血的人却是万能供血者，因为O型血可以被所有血型的人接受。
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