第二层:To support this conclusion the writer cites…/points out that…
第三层:However, this argument suffers from several critical flaws and is thereforeunconvincing/ unpersuasive as it stands.
第二段和第三段甚至第四段:分类别去攻击各个逻辑错误。(以因果关系类错误为例)
One problem with the argument is that, the editorialobserves a correlation between… and …, then concludes that the former is thecause of the latter. However, the editorial fails to rule out other possibleexplanations for…For example,… Any of these factors, or other social, politicalor economic factors, might lead to…Without ruling out all other such factors itis unfair to conclude that…