Asked by the development of logistic economy , modern ports are net only the hubs of sea - land transportation , but also the distribution center of international goods storage and distribution . they are also the congregating places of the development of trade and manufacture . therefore , ports have become the more and more important parts in international goods transportation chains and the world economic development 在物流经济的发展要求下，现代化港口，既是货物海陆联运的枢纽，又是国际商品储存、集散的分拨中心，也是贸易、加工业发展的聚集地，港口已成为国际货物运输链和世界经济贸易发展越来越重要的组成部分。
I have already mentioned that , in order to improve the price - discovery function of the mainlands commodity futures market and make the mainlands economic activities more influential in international commodity pricing , and therefore help the commodity producers and consumers on the mainland to control and manage international commodity price risk effectively , our country should develop its own commodity futures market in our own " home court " in our own time zone 上次提到中国若能发展自己的商品期货市场，有了自己的地头，在自己的时区内进行商品期货交易，将有助于加强商品期货市场的价格发现功能并提升全国经济活动对国际商品定价的影响力，从而也有助内地的商品生产者与消费者有效控制与管理国际市场商品价格波动的风险。
China has now become one of the worlds largest producers and consumers of many commodities such as tin , steel , coal and rice , accounting for about one third of world consumption and output . but demand - and - supply conditions on the mainland do not play a commensurate role in influencing international commodity price formation , let alone defining the rules of the game 中国现已成为全球最大的商品生产国和消费国之一，一些主要商品如锡钢材煤炭和稻米的消费量与生产量都占了世界总量的三分之一左右，但内地的供求因素对国际商品价格形成缺乏应有的影响力，更谈不上参与游戏规则的制定。
In order to utilize the by - products produced in the process of soybean oil to develop the series products with high - tech content and high affixture , the raw material classification , substance composing , product quality , function characteristics , extraction technology , applied field , the foreground of development and existent problems , were synthesized 摘要对植物性大豆蜡研发的原料分类、物质组成、产品质量、功能特点、提取技术、应用领域、发展前景及存在的问题进行了综合性表述，旨在综合利用大豆油脂加工中的副产物，开发高科技含量与高附加值的系列产品，开拓新的应用领域，为国家提供新的蜡质资源，并推进到国际商品市场。
