面对环境问题的巨大挑战，以有效利用资源和保护环境为基础的循环经济，越来越受到重视，循环经济成为国际新话题。以下是一组相关说法：

    1. 与传统经济不同的是，循环经济倡导一种基于不断循环利用资源的发展模式。

    Unlike traditional economy, cyclic economy advocates a model of development on the basis of constant and circulatory use of resource..

    2. 在循环经济中，人们可以合理、持久地利用物质和能源，同时尽量减少经济活动对自然环境的不良影响。

    In cyclic economy, people can make use of matter and energy rationally and everlastingly, and at the same time decrease the unfavorable effect that economic activities may make upon our natural environment as far as possible.

    3. 最大限度地预防浪费和再生利用各种材料，可以实现循环经济。

    A cyclic economy will be achieved by coupling maximum waste prevention with material recycling.

    4. 节约各类能源和资源，努力发展循环经济。

    economize on energy and resources to develop a cyclic economy.