"Generally, they were less happy when they woke up and most happy at 7 p.m.," Steptoe says.

“一般看来，他们在醒来时不太高兴，在晚七点时最高兴。”Steptoe说。

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That usually works fine for her 7-year-old daughter, who is happy to play in her room with her dolls for hours.

这对她7岁的女儿来说并不难，她喜欢待在自己的房间里和洋娃娃一玩就是数小时。

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Spend minutes now to save hours later. - During happy hour last Friday I spent some time listening to one of my colleagues confess her utter distaste for the Windows 7 Start menu.

现在花几分钟时间而不要之后浪费数个小时——在上周五的欢乐时光我花了写时间来倾听我同事对Windows 7开始菜单的抱怨。

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ESPN2-HD (720p): College Football Scoreboard (6:30 p.m.), NASCAR Nextel Cup Happy Hour (7 p.m.), CFB: Boston College vs.

ENGADGET: blogger-avatar

Messrs Frey and Stutzer find that a one-point increase in this democracy index, after stripping out the effects of the other variables, increases the share of people who say they are very happy by 2.7 percentage points.

ECONOMIST: Happiness is a warm vote

The deciding factor when buying this phone (or the smaller Lumia 800) may well be how happy you are with Windows Phone 7.

BBC: The smartphone battle: Meet the top contestants