1. The fact that…does not necessarily imply that…
2. Factors such as…all have some bearing on…
3. Economy, as we know, is influenced by the combination of a host of factors, local, national and international, political, social, and technological.
4. But we are told nothing about the way the poll was conducted and how well it represented…
5. But the problem is that the two situations are not similar enough to justify the analogical deduction.
6. According to…, but there is no evidence whatsoever to show…
7. The argument provides no direct information as to the degree to which…
8. There is no evidence whatsoever to indicate that…
9. But any conclusion at this stage is premature in absence of a 　comprehensive examination of…
10. For a couple of reasons, this argument is not very convincing.
11. The arguer employs two lines of reasoning to reach this conclusion.
12. To support this claim, the editorial cites statistics indicating that…
13. As it stands, this argument suffers from three critical flaws.
14. In this argument, the planning department of an investment firm reaches the conclusion that…
15. The basis for this recommendation is the expectation that…
16. While this argument has some merit, there are a few assumptions that deserve attention.
17. The example cited, while suggestive of these trends, is insufficient to warrant their truth because there is no reason to believe that the data drawn from…is representative of …
18. To begin with, this argument depends on the assumption that…
19. Not only does the arguer fail to…, he also fails to…
20. However, while the poll establishes a correlation between…and…, and also indicates a correlation, though less significantly, between…and…, it does not establish a general causal relationship between…