1）“There may be some possible limitations in this study.”

2）“The findings of this study have to be seen in light of some limitations.”

3）“The first is the…The second limitation concerns the…”

4）“The empirical results reported herein should be considered in the light of some limitations.”

5）“This research, however, is subject to several limitations.”

6）“The primary limitation to the generalization of these results is…”

7）“Nonetheless, these results must be interpreted with caution and a number of limitations should be borne in mind.”

8）“As with the majority of studies, the design of the current study is subject to limitations.”

9）“There are two major limitations in this study that could be addressed in future research. First, the study focused on …. Second ….”