Most self-help books on the subject offer tips on how to maximize one's bliss, but a new study suggests that moderate happiness may be preferable to full-fledged elation.

最自助的书籍就此事提供的秘诀就如何最大限度地一个人的宠儿，但一项新的研究表明，适度的幸福，可能更为可取，以完全成熟的兴奋。

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In addition, the SL-Series cameras offer large LCD screens on the back of the cameras to help frame one's shot and review images.

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We are already one of the UK's largest booksellers and Mobcast will help us offer even more choice for the large and growing number of customers who want to buy and enjoy books on their digital devices whenever and wherever they want.

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For one thing, the company's going to have to offer some serious incentives to developers to help build out its app offerings.

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