很多公司时不时地面临这样一个两难问题：客户想要某些产品特色，不幸的是，这些特色可能对环境提出额外需求．例如，在快餐业中，使用的包装材料对于使食品和饮料保温或保冷是理想的．但这种包装的体积比其它材料大，这可能对填埋场空间产生过大的压力，而且很多社区没有将其 Many companies face a dilemma from time to time: Customers want certain product features and, unfortunately, these features can place additional demands on the environment. For example, in the fast food industry, the packaging materials used are ideal for keeping warm or cold food and beverages. However, the volume of this package is larger than other materials, which may place excessive pressure on the landfill space, and many communities do not have it