The changes to the distribution system are purely experimental at the moment.目前分配体系的变革纯粹是试验性的。Newsagents currently have a monopoly over the distribution system.当前，报刊经销商拥有分销体系的垄断权。The inefficiency of the distribution system has led to the loss of millions of tons of food.分销系统的低效已经造成数百万吨食品的损失。