Think about it for a moment: Can you point to a single charitable accomplishment that has been as transformative as, say, the cell phone or the birth-control pill?

仔细想一想，你能找到哪怕就一个慈善的成就，能够像手机或者避孕药那样革新性的发明？

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The pill is the most efficient method of birth control.

避孕药是最有效的节育办法。

《柯林斯英汉双解大词典》

Be sure to talk to your health care provider about any health conditions you have or any medications you're taking before taking the combination birth control pill or the minipill.

请一定注意在你服用任何一种避孕药物（混合或单一）之前，一定要告诉你的健康顾问你的健康状况或正在服用的药物。

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For example, conventional wisdom in the West is that the birth-control pill was an essential step toward women's liberation.

ECONOMIST: The new women in Japan

But the preparation he was using was then reformulated as the birth-control pill.

ECONOMIST: The Pill

It is not only a series of popes but also a number of prominent secular thinkers who believe that the birth-control pill has been one of the major milestones in human history a diverse group that runs from public intellectuals of a previous generation like Walter Lippmann to such contemporary scholars as Francis Fukuyama and Robert Putnam.

WSJ: Has the Sexual Revolution Been Good for Women? Mary Eberstadt: No