He rarely gets a clear idea of what the new drugs' therapeutic effects are supposed to be, or what side effects can be expected.
他几乎没有关于这种新药治疗的预期效果或是有那些可预见的副作用的清晰的观念。
The features (such as inheritance) that comprise object-oriented languages have clear benefits, but they can also have inadvertent side-effects.
由面向对象语言组成的功能(比如继承)具有明显的益处，但是同时也具有疏忽的副作用。
However, research proves that this would be incredibly expensive, not to mention that the side effects aren't clear.
可是，调查研究研究表明这种方法的成本很高，更何况产生的副作用还不清楚。
The drug appeared to clear out only senescent cells, not normal ones, and the animals didn't appear to suffer any side effects, the research er said.
研究人员说，这种药物似乎只是清除衰老细胞，对正常细胞没有影响，并且似乎没有对老鼠产生任何副作用。
Currently, there is no vaccine for HCV, and though a combination drug regimen can clear HCV infection, this treatment is only about 60% effective on average and poses risks of severe side effects.
目前尚没有丙肝疫苗，虽然联合用药可以清除丙型肝炎病毒的感染，但治疗平均有效率仅为60 %左右，并且伴有发生严重副作用的风险。
Currently, there is no vaccine for HCV, and though a combination drug regimen can clear HCV infection, this treatment is only about 60% effective on average and poses risks of severe side effects.
目前尚没有丙肝疫苗，虽然联合用药可以清除丙型肝炎病毒的感染，但治疗平均有效率仅为60 %左右，并且伴有发生严重副作用的风险。
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