界定相关地域市场应考虑什么？
参考答案：
①运输成本和商品特性
②商品价格
③消费者偏好
④市场进入障碍
—Do you know Jim quarreled with his brother?
—I don't know, ______.[ ]
A. nor don't I care
B. nor do I care
C. I don't care neither
D. I don't care also
陪同客人观看各种演出时，若不注意一些细节，如()就会使客人感到不快。
A.忘记关闭手机
B.迟到
C.不向客人提供节目单
D.提前退场
