对所有这些单独的站点都要考虑您的信息的安全。
Concerns about the safety of your information with all of those individual sites.
要创建安全的系统，您必须考虑在哪存储或显示信息。
To create a secure system, you must consider where information is stored or displayed.
全局变量的另一重要方面是，当考虑到信息安全问题时，可以控制对信息的访问。
Another important aspect of global variables is that when security of the information is an issue, controlling access is possible.
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