等到下一次你想训练注意力时，尝试一下用双标签规则只打开两个网页浏览。
The next time you’re trying to focus when and you’ve got a browser open, try the Two-Tab Rule.
双标签规则的依据是，在不给我们的认知系统增加负担的情况下，我们大多数人都能轻松的记住5到8个信息模块。
This rule is piggybacking off the idea that most of us can easily remember 5-8 chunks of information without it taxing our cognitive capacity.
双标签规则使这些你要管理的信息模块都处在舒服的可控的范围内，如果你开了第三个网页，那么就会超出你的控制范围。
The Two-Tab Rule keeps the chunks of data that you're trying to manage in that comfortable range, and, yes, that third TAB pushes you out of that range.
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