The bigger issue is that the FDA's problem-ridden Adverse Event Reporting System isn't a systematicmeasure of how often drugs really cause side effects.
更大的问题是，受问题支配的FDA的不良反应事件报告系统不能系统的衡量药品引起的真实副作用的多少。
2
By varying these attributes in a systematic way market researchers can measure with reasonable precision how much each trait is worth.
用某种分类方法，通过变更这些属性，市场研究人员可以合理的精确度测量每一属性值多少钱。
3
Finally, set up the scientific and systematic environment tax revenue preferential measure.