时间成本
参考答案:
消费者在消费过程中所消耗的时间以及为获取服务赶到服务地点的时间。
The boy was born ________ the 3rd of July, 1989. [ ]
A. in
B. on
C. at
酒炙时黄酒用量为()
A.5%
B.10%~15%
C.10%~20%
D.20%~30%
E.40%