1. 科学家的建议也并不一定都是正确的。很有可能他的结论适用面很窄。或者他所得到的数据有错误等等。
2. 对企业来说频繁的变更产品和生产流程会造成很大的经济损失
3. 诚然等待国家制定标准很可能存在滞后等问题但是比较起来以上的问题还是应该等待国家制定标准。此外一个折中的方案是国家成立专门的机构快速地对新的方案和建议做出评价并迅速制定标准
split the difference lag evaluate
View1: The recommendations given by scientists are usually controversial or have inconsistent perspectives on same questions, thus can not provide clear directions on actions that companies should adopt,
View 2: changing products and processes too often will inevitably increase cost and lower productivity. Therefore do harm to the companies .
View3: while waiting for government regulations may draw back the processes of solving the problems, it is relatively a better strategy for companies to follow. We can count on the authorities to speed up the process of conversion between scientific discoveries and official regulations.
The speaker argues that because scientists continually shift viewpoints about how our actions affect the natural environment, companies should not change their products and processes according to scientific recommendations until the government requires them to do so. This argument raises complex issues about the duties of business and about regulatory fairness and effectiveness. Although a wait-and-see policy may help companies avoid costly and unnecessary changes, three countervailing considerations compel me to disagree overall with the argument.
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