可靠寿命(tR)
参考答案:
与特定可靠度对应的产品寿命。
—What are you going to do this weekend, Sue?
—I will _________ it in a farmhouse. I want to enjoy farm fresh food and air.
A.pay
B.cost
C.spend
D.take
会计主体核算的生产经营活动也包括其他企业或投资者个人的其他生产经营活动。