如果连我们当中最注重健康的人一整年的睡眠水平都有这么大的波动，那么我们其他人会损失多少睡眠呢？
If the most health-conscious among us have such deep swings in our shut-eye levels throughout the year, how much sleep are the rest of us losing?
此外，上市公司也应当更加注重运用金融衍生品来降低现金流波动率达到平稳盈利的目标，并最终提高公司的市场价值。
On the other hand, firms should focus more on maintaining low cash flow volatility by financial derivatives to produce smoothing earnings and finally enhance the firm value.
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