在人际交往中，个人细微的心理活动都会通过（）表现出来，并在客户的内心激起相应的情绪反映。
参考答案：神态
简述上好课的具体要求。
Which of the following types of profit is most likely the level of accounting profit needed to just cover the implicit opportunity costs ignored in accounting costs（）
A. Normal profit.
B. Economic profit.
C. Accounting profit.
