The particular linkage of population, food, and trade has been the masterstroke of virtual water strategy research.
虚拟水是水问题与水资源安全研究中的新概念，是指生产商品和服务所需要的水资源数量。
In the past decades, the linkage of environmental policy and international trade has been becoming one of more and more important argument in the area of public policy.
在过去的十多年中，环境政策与国际贸易的关系问题成为公共政策争论中的重要问题之一。
The thesis presents an effective way to return market to shift dilemma between trade and environment through the contract linkage to environment negotiated and signed by both trade parties.
文章分析了环境联接合约签订的基础和作用，并对其条款进行了设计。
应用推荐