所以，上面展示的代码只有在当前用户是站点管理员时才能成功运行。
That means the code shown here runs successfully only if the current caller is a site administrator.
它允许管理员监控当前查询活动或者某一特定时期的活动，例如今天、本周或上月处理的查询。
It allows administrators to monitor current query activity or activity during a specific time period, such as queries that were processed today, this week, or during the past month.
采购管理员将根据总价格和当前的企业策略，决定对采购申请采用哪一种批准类型。
A purchasing administrator decides which type of approval is required for the request, based on the total price and the current corporate policy.
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