高等继续教育 / 专科英语I
正确率：100%
题型描述: 单选题
Companies are struggling to find the right _ _ _ _ _ _ between supply and demand, but it is no easy task.
A. equation
B. balance
C. formula
D. pattern
Companies are struggling to find the right _ _ _ _ _ _ between supply and demand, but it is no easy task.
A. equation
B. balance
C. formula
D. pattern
参考答案：
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