例句與造句

1. This paper is organized with 11 chapters as follows : chapter 1 , the paper draws its research subject - the development process and mathematic simulation of shanghai urban pension scheme , from the basic fact that the pension schemes have been reformed by local governments and have extremely differences in various regions in china . then , the study method and thesis framework and primary innovative assertions of this paper are discussed
   本文共分十一章：第一章，從養老保險制度在中國的地區改革主導和地區間制度的差異性，引出全文的研究對象? ?上海城鎮養老保險制度的變遷和數值模擬，并界定了本文的研究方法、論文構架，歸納了主要的創新觀點。
2. It's difficult to find differences in various regions in a sentence. 用differences in various regions造句挺難的