求翻译：明代民歌比当时的诗词等正统文学，更直接、更具体、更生动，具有鲜明的时代特征，是研究明代文学思潮、文人创作心理、文学风格、宏观文学态度等，极为可贵的社会背景材料。是什么意思？

Ming Dynasty folk song than the orthodox literature and poetry, more direct, more concrete, more vivid, with the distinctive characteristics of the times, is the literary trends of research Ming Dynasty, literati writing psychology, literary style, the macro literature attitude, extremely valuable b

At the time of the Ming Dynasty folk song than Orthodox literature, poetry, and more direct, more specific, more vivid with distinct characteristics of the times, Ming dynasty literature is the study thought, creative writers, literary style, macroeconomic literature, it is extremely valuable social

Ming Dynasty folk song compared to poetry then and so on legitimate literature, more direct, more concrete, more vivid, has the bright time characteristic, is studies the Ming Dynasty literature ideological trend, the writer creates the psychology, the literature style, the macroscopic literature ma

Ming dynasty folk song than the Orthodox literature such as poetry, more direct, more specific and more lively, with distinct characteristics of the times, is a psychological study of literature, literary creation in the Ming dynasty, literary style, macro-literature, social background of extremely