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题目内容
（国家开放大学- 管理英语4）
Orders and instructions should 回答
flow down
from the higher manager to the lower one. Formal communications and complaints should 回答
move upward
in the same channel.
flow down
from the higher manager to the lower one. Formal communications and complaints should 回答
move upward
in the same channel.
参考答案
