The measure of enterprise performance is the hot topic of management science continuously, which is also one of business management difficult.

企业经营绩效的评价一直是管理科学研究的热点问题，也是企业管理的难点之一。

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The thing about this sort of business is that direct, hands on, management is very difficult indeed.

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First, it is widely believed that active management outperforms during difficult times.

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Doing a better job with power management is rather difficult.

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