There would be a great waste of time and trouble, and an inconvenience often amounting to impracticability, if consumers could only obtain the articles they want by treating directly with the producers.
如果消费者只能直接从生产者那里获得所需要的物品,那这会浪 费很多时间,带来不少麻烦,常常无法得到所需要的物品。