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1·Does it warrant extra cover?

是否保证了其他的保障呢？

2·Because each index incurs extra data updating overhead, the goal should be to create a small number of indexes to cover as many queries as possible.

因为索引会带来额外的数据更新开销，所以应该争取创建少量索引来覆盖尽可能多的查询。

3·The result is that many people head into retirement needing a little extra income to cover expenses and provide an adequate lifestyle or to maintain their pre-retirement lifestyle.

其结果就是许多人觉得退休后需要一些额外的收入来支付日常费用并且提供一个适当的生活方式或者维持他们退休前的生活方式。

4·The extra items sold must make enough profit at least to cover the cost of the additional time spent in selling them.

出售额外的商品获得的收益至少要能抵补花费的额外的销售成本。

5·Universities have been told to cut back too, with already-stingy plans to cover 15,000 extra undergraduate places cut to just 10,000.

大学也被通知要削减人员，计划额外招收1.5万名大学生的数目已经很少了，但还是要缩减到1万名。

6·Universities have been told to cut back too, with already-stingy plans to cover 15, 000 extra undergraduate places cut to just 10, 000.

大学也被通知要削减人员，计划额外招收1.5万名大学生的数目已经很少了，但还是要缩减到1万名。

7·Suchen had left a check in the cottage to cover an extra month’s rent and a note apologizing for breaking the lease.

苏晨在小屋里留下一张多付了一个月租金的支票，还留下一张纸条，为自己提前退房道了歉。

8·She is already planning her baking schedule to cover all the extra baguettes needed for Colebrook’s moose festival in August.

现在，她已经在为八月的驼鹿节需要的长棍面包制定烘烤计划了。

9·You may also be charged extra for layout help, editing, design of a book cover, and for photos.

您可能还收取额外的布局，有助于实现，编辑，设计的书籍封面和照片。

10·All elements on the cover are hot foiled, the whole object rests on an extra produced stand made of stainless steel.

封面上的所有元素都热挫败，整个对象由一个额外的生产由不锈钢制成的支架上。