求翻译：中西方文学（包括文学理论和文学创作）的异同，其本质在于中西文化的差异。因而了解中西方“文化”内涵就是探讨中西方文学异同的基础。是什么意思？

Western literature (including literary theory and literary) the similarities and differences, its essence lies in the differences of Chinese and Western culture. Understanding Western "cultural" meaning is the foundation of Western literature and discussion on similarities and differences.