而且，这种分析是累积的，用户可以只关注特定时间特定位置的感兴趣的项，然后在必要时扩展分析，以评估其他的键关系。
Further, such analysis is cumulative, allowing the user to focus on items of interest at a specific point in time and then extending that analysis as needed to assess additional key relationships.
而且，他们也会进行岗位轮换培训，这样，在员工休假时可以由其他同事替补，此外，他们还会在必要时聘用临时工。
They're also cross-training employees to cover for their colleagues during time off, and bringing in temporary staff when needed.
而且，它只在必要时才会咬人。
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