因为缺少文献回顾，所以我们不能在这项调查研究中覆盖以前研究的空白，也就

因为缺少文献回顾，所以我们不能在这项调查研究中覆盖以前研究的空白，也就使这项调查研究缺少了具体的社会意义

結果 (英文) 1:

Because of the lack of review of the literature, so we cannot be covered in the study previously blank, so that the social significance of the investigation on the lack of a specific

結果 (英文) 2:

Because of lack of literature review, so we can not cover the gaps in previous studies in this investigation, this investigation will make the lack of specific social significance

結果 (英文) 3:

Because of the lack of literature review, so we can not cover the gaps in previous research in this survey, but also makes the study of the lack of a specific social significance