本文为俄汉语复(合) 句对比系列的绪论篇。文章探讨了进行俄汉对比时不可避免地要面对的几个难题。俄、汉语学界对某些句子是单是复看法不一,而汉语中单复句界限不清现象特别多,其中有天然的纠结,更有人为的纠结。作者对一系列有争议的现象阐述了自己的看法和对比时的做法。 This article is an introduction to the series of complex sentences in Russian and Chinese. The article explores several puzzles inevitably to face when doing the contrast between Russian and Chinese. The Russian and Chinese scholars have different opinions on certain sentences, but there are a lot of single and complex sentences in Chinese, among which there are natural tangles and artificial tangles. The author elaborates his own views and contrasting practices on a series of controversial phenomena.