词典释义：
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Something about free, just an idea that something has no negative side, it only has upside, creates emotional reactions on us.
物品免费对我们来讲没有负面影响，只会带来正面效益，会刺激消费者心理。
《Predictably Irrational》《怪诞行为学》
短语搭配
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不良反应；副作用反应；不利反应
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化学反应；化学的反应
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更严重的反应
双语例句
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The sport requires very fast reactions.
这项运动要求很快的反应能力。
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Soy milk can cause allergic reactions in some children.
豆奶会导致有些儿童起过敏反应。
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Dairy products may provoke allergic reactions in some people.
乳制品可能会引起某些人的过敏反应。
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It was impossible to make assumptions about people's reactions.
臆断人们的反应是不可能的。
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The improper use of medicine could lead to severe adverse reactions.
用药不当会引起严重的不良反应。
近义词
n.