To prove that factor a has no effect whatever on outcome b may be important in the sense that it refutes a hypothesis.

证明因素 a 对结果 b 没有任何影响可能是重要的，因为它驳斥了一个假设。

youdao

According to the X-ray, your disease may be diagnosed as T. B.

根据 X 光检查，你的病可能是肺结核。

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A vaccine may also give us passive immunity by providing B cells taken from an animal or a human to play the same role.

疫苗也可以通过提供取自动物或人身上的B细胞来发挥同样的作用，从而使我们获得被动免疫。

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Some older adults,for example, may not have enough vitamin B-twelve.

VOA: special.2009.04.21

The fall of Pylos is generally thought to be around 1200 B.C.; Mycenae itself may be fifty years later, and other places later than that.

人们普遍认为皮洛斯的陨落,大约在公元前一千二百年,迈锡尼城本身也许在五十年以后,其他的地方更晚些

耶鲁公开课 - 古希腊历史简介课程节选

"Hepatitis B is the silent killer because most people who are chronically infected may not be aware of the infection."

VOA: standard.2010.07.26

If there has been fertilization, Plan B may prevent a fertilized egg from embedding in the uterus.

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The idea that a car is only for getting you from point A to point B may seem just as quaint in few years.

FORBES: The Ford Focus Electric: A Tesla Model S For the Middle Class

That's because even if hospital A may charge more than hospital B for a particular service, your insurance company may have negotiated a lower rate with the apparently more expensive hospital.

NPR: 3 min 45 sec