translation.en: The good news is that by simply looking at something that somebody has done, scanning it and saying "Uh huh," that seems to be quite sufficient to dramatically improve people's motivations.
translation.zh: 好消息是只要稍微注意一下人们所做的， 浏览一下并应声“嗯哼，” 似乎就能非常有效地 提高人们的工作动力。