Describe the two types of ordering policies and the impact that each of them has on safety inventory.
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【简答题】完形填空。阅读下面的短文,选择适当的词。 It was Sunday. I never get up early 1__________ Sundays. I sometimes stay in 2__________ until lunchtime. Last Sunday I 3__________ very late. I looked out of the window. It was d...