To begin the research project, we conducted a comprehensive literature survey to understand the existing body of knowledge.
为了开始研究项目，我们进行了全面的文献调查，以了解现有的知识体系。
The literature survey revealed gaps in the current research that our study aims to address.
文献调查揭示了当前研究的空白，而我们的研究旨在解决这些问题。