And we can measure this very precisely, actually, because we give people electronic pagers that go off 10 times a day, and whenever they go off you say what you're doing, how you feel, where you are, what you're thinking about.
我们可以非常准确的去测量 我们会给参与测试的人发电子纸 那样的纸每天会发出十次叫声 它一叫 你就马上说自己正在干什么 你在哪里 你正在想的是什么