In addition to other issues, the presentation reviewed commodity price stabilization schemes developed in the past, which aimed at either buffering stocks or controlling exports for commodities such as cocoa and coffee.
除其他问题外，该介绍审查了过去制订的商品价格稳定办法，这些办法旨在为例如可可和咖啡等商品建立缓冲储存或控制出口。