在 The price includes the furniture in it 中，in it 可以不说，而意思不变。又如：

Fixed costs include rent (in it). 固定成本包括租金。
All prices include postage and packing (in them). 所有的价格都包括邮资和包装费。
The fringe benefits include free health insurance (in them). 附加福利包括免费的健康保险。
The price includes accommodation and ferry crossing (in it). 票价包括住铺位和轮渡费。
The fee includes the cost of testing the electric wiring (in it).  费用包括测试供电线路的花费。