That does happen in medicine: new treatments for cardiovascular patients and for babies of low birth-weight have delivered benefits far outweighing their costs.
2
早先的研究已经表明，便宜的单剂量抗逆转病毒疗法可以减少怀孕或分娩期间母亲对婴儿的艾滋病病毒传染。
Earlier research has shown that an inexpensive single dose of an antiretroviral can reduce HIV transmission from mother to child during pregnancy or delivery.
3
心理疗法之父西格蒙德·弗洛伊德对此也颇有研究，他于100多年前创造了“婴儿健忘症”一词。
It was a minor obsession of the father of psychotherapy, Sigmund Freud, who coined the phrase 'infant amnesia' over 100 years ago.
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