18. We can’t ensure that-----
19. The arguer unfairly assumes that-----
20 The arguer fails to take into account other factors that might lead to(result in/contribute to/exxplain/account for/be responsible for) -----
21. The fact that indicates nothing about(does not imply that/does not ensure that)
22. The statistical evidence cited in the argument is so vague that it does not validate the arguer’s assumption(that----)
23. The survey on which the argument relies lacks credibility and therefore does not lend strong support to the conclusion
24, The arguer commits a fallacy of ----------
时序性逻辑错误
承上启下：
25. In the first place-----,in the second place---------,last but not least--------
26. To begin with ---------,In addition -----,Furthermore, the arguer fails to take into account another(several other)factor(s) that might weaken the argument.
