Conversely, if the speaker puts up a complicated flow chart and dives right into the detail without explaining what it’s about, the thinking task will be too challenging.

相反，如果演讲者拿出一份复杂的流量图谱，并且一头扎进那些细节不加任何解释的自顾自的讲起来，那么听众的思考过程又太费劲儿了。

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Philips cites studies saying that some 30% of home networking products are returned because people cannot get them to work, and almost half the people thinking about buying a digital camera delay their purchase because they fear they might find it too complicated.

ECONOMIST: Not a dog, but a mobile phone