当你正忙于某事——一封不好写的邮件，报告中棘手的那一段，搜寻着某个很重要的人物——这样的时候，要是注意力能不被分散就再好不过了（而事实常与愿违）。
Have you ever been right in the middle of something –a complicated email, a tricky paragraph of a report, a hunt for some vital figures –only for your concentration to be shattered?
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