执行语句的用户必须具有适当的特权，才能在运行时执行语句，特权可以是明确授予他们的，也可以是通过组成员关系授予的。
The user executing the statement must have the appropriate privileges to execute that statement at run-time, either because they were explicitly granted them or possess them through group membership.
通过下面的图表，你也可以到，社交媒体的使用依然是互联网用户体验中重要的组成部分。
As you can tell by looking at the chart below, interacting with social media remains an important part of users' Internet experience.
当然，Linux也较少受到病毒和恶意软件的攻击，而且其系统漏洞往往都能被即时发现，开发者和用户所组成的快速军团也能迅速地修复这些漏洞。
Of course, Linux also gets attacked less frequently by viruses and malware, and vulnerabilities tend be found and fixed more quickly by its legions of developers and users.
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