Foreign trade is a bridge between the world economy and hunan provincial economy , through which hunan province can obtain comparative advantage , import international capital and advanced technology and create job opportunities 对外贸易是湖南经济与世界经济沟通的桥梁。通过对外贸易，湖南可以获得比较利益、引进国际资本和先进技术、创造就业。
Under the influence of regional conditions , land comparative interests , differential land benefit , and urban economy radiation , the rural - urban fringes have become the main areas of farmland non - agricultural conversion and cultivated land loss 摘要受区位条件、比较利益、土地级差收益和城市经济辐射的影响，城市边缘区是我国农地非农流转最集中的地区和耕地流失最主要的区域。
Comparative advantage and competitive advantage are not same either . comparative advantage has its own representations and essentials . the investigation of comparative advantage origin is an organic part of comparative advantage theory 比较优势概念与比较成本、比较利益、竞争优势等有着显著的区别，而且，比较优势有着它的表现形式和实质，对比较优势来源的分析是比较优势理论的有机组成部分。
The logical origin of international trade in education has five aspects , of which universal rationalism that emerged in 18 century and comparative advantage theory will be counted as the main philosophical source and economical origin 作为一种新事物的现代国际教育贸易的形成并非无源之泉，有其深刻的哲学和经济学渊源。从历史的纬度，古老的普遍理性主义是其哲学的源头，比较利益说是国际教育贸易的经济学噶失。
International trade is one of the most important parts of foreign economical intercourse . it lets every country to exert its comparative advantage and raise its productivity , such as the southeast asia , which have developed greatly through foreign - trade stratagem 国际贸易是一国对外经济交往中最重要的组成部分之一，它能使各国发挥比较利益，推动本国经济的发展和生产力的提高，东南亚各国通过出口导向战略迅猛发展便是例证。
The result shows that the construct rearrangement of agriculture , grain security and market mechanism are the main factors deciding the cultivated land change , meanwhile , the impacts of investment , urbanization , the benefit gap between the different utility ways and population are also obvious 结果显示，农业结构调整、市场化和粮食安全的因素对耕地的直接影响作用明显，而固定资产投资，城市化、耕地利用的比较利益和人口因素的间接作用也不能忽视。
This theoretical platform is composed of following main parts : the broad and narrow definition of pt ; the pt ' s economic essence ; the pt ' s evolution situation in industry and district ; the theory of pt ' s comparative advantage in economic globalization , etc . then , based on the theoretical platform , this paper makes economic analysis of inherent and external factors , of key factors about the pt ' s development in the central and west regions in china 该理论平台的主要内容为：加工贸易的广义与狭义的内涵界定、加工贸易发展的经济实质、加工贸易产业演化与区域演化格局、经济全球化进程中加工贸易的比较利益论等。以此理论平台为基础，本文分别从我国加工贸易发展格局演化、加工贸易在启动和发展地区经济的作用以及加工贸易的区位和企业行为几个方面，进行了我国中西部地区发展加工贸易的内、外在动因及关键影响因素的经济分析。
It is the best opportunity to advance the rural land transfer when people experience the transition from the stage of dress warmly and ear fill to better off . planting some popular produces of high quality with high price can not only increase the comparative benefits of agriculture industry , but also promote the process of the land transfer . good and steady rural land system settings make a great difference in land transfer 第五部分比较分析奉化市、海宁市两地的农地流转情况，得出相关结论：区域的传统特点是决定各个地区不同的流转模式和速度的因素之一；政府在各个地区的农地流转中所起的作用会有所不同，但必须以尊重农民意愿为前提；人们的收入水平从温饱向小康过渡的阶段是推进农地流转的最佳时机；发展一些有需求的优质、高价农产品，提高农业比较利益，可推进土地流转进程；一个良好而稳定的农村土地制度环境对农地流转至关重要。
Meanwhile , it is also important to resolve the " tri - agricultural " problems in china . however , farmers have to face all kinds of posers . for example , the traditional system and antiquated ideas , the excess rural labors , the agricultural profit down constantly , and so on 但是农业劳动者在其分化过程中要不断面对来自旧的体制及其遗留的旧的思维方式、行为方式的阻隔，要面对各种自然压迫，要面对农村剩余劳动力不断增加、农业自身比较利益不断下降的挑战，同时还要面对自身素质与现代社会之间的差异等等，一系列的问题。
Second , labor - intensive products are low value added and the solidification of industrial structure leads to " comparative advantage trap " , that is , because they are always in the lower position of industrial chain of vertical international division , which most likely to be reduced to an economic colony of developed countries (二)劳动力密集型产品由于附加值偏低,赢利空间有限,长期出口贸易产业结构的固化,也就是长期处于垂直型国际分工链条低端容易形成“比较利益陷阱” ,使我国沦为西方发达国家的经济殖民地。
