positive and negative effects

基本解释

Other recent studies have highlighted both positive and negative effects of caffeine consumption.
近期的其它一些研究突出说明了喝咖啡带来的积极作用和消极作用。
To explore the positive and negative effects of medical tourism on the economy, health staff and medical costs in Thailand.
旨在探讨泰国医疗旅游对经济、医务人员和医疗成本的正面和负面影响。
This uncritical treatment of international election observation, however, ignores a more complicated reality: that monitors can have both positive and negative effects.
然而，此种对国际选举观察不置可否的态度，却忽略了一个更复杂的事实，那就是，监督员的影响既有积极的一面，也有消极的一面。

And like any insurance, it has both positive and negative effects.
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What is the temperature rise, after the effects of both positive and negative feedbacks, from a doubling of atmospheric CO2-e?
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So if there are three possible drugs, all we need to do in order to figure out which one is right for you is to take 900 of you, put 300 of you on each drug for a few months, measure the effects on your health, both positive and negative, and compare the results.
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