因为厂家在定价的时候大多数都考虑到如果袋装定价太高，消费者很难去接受，这就意味着厂家产生的利润很低，或者说没有利润，那厂家靠什么去生存呢？
When the manufacturers set the price, they know that if they price too high, it is difficult for the customers to accept and the profits will be very low for the manufacturers or there will be no profit at all; then what will the manufacturers live on?