简述客户关系管理的关键技术。
参考答案:
新生儿期是指()。
A.出生后2周内
B.出生后4周内
C.出生后8周内
D.出生后6周内
E.出生后10周内
An analyst gathers the following information about three equipment sales that a company made at the end of the year:()
A.$30000
B.$40000
C.$50000