Friends will make a date to go shopping together and happily return home empty-handed.

朋友们会约好了一起逛商店，然后愉快地空着手回家。

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He says what execs there wanted was solid business experience in America, and in return, they happily helped him secure the required work permits.

他说企业高层所需的是他在美国所得的丰富的经验，同时，他们也乐意帮他取得工作所需的一些证书来作为对他的回报。

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Some dogs, for example, happily awaited the person's return, while others barked and became anxious.

例如有些狗高高兴兴地等着那人回来，而另一些狗则会吠叫并开始焦虑。

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While an avid enthusiast gamer will happily plug-in more frequently in return for better visuals and sound, for families this is not such a good trade off.

FORBES: Battery Life is an Often Overlooked Family Essential

He is also happily retired, and there's no obvious reason he would want to return to help rescue the Yankees from their disastrous spring.

WSJ: Old? Retired? Yankees Are Interested