懂德语的人都知道，德语的句子常使人不能一目了然。究其原因，这主要与德语的特殊句子结构———框形结构有关。由于决定句子内容的动词往往置于句末，这就增加了读者或听众对句子的理解难度。德语的框形结构也导致插入从句增多，从而产生了许多复杂的套叠长句，例如：Ｓｃｈ People who know German know that German sentences often make people unable to see at a glance. The reason, which is mainly related to the German special sentence structure --- frame-shaped structure. As verbs that determine the content of a sentence are often placed at the end of the sentence, this increases the difficulty of the reader or listener in understanding the sentence. German box-shaped structure also led to an increase in the number of inserted clauses, resulting in many complex sets of long sentences, for example: Sch