I think the bottom line is that there no universal definition of marriage and that marriage, traditionally, has been defined at the social level.

婚姻没有通用的定义，这是我认为的底线，并且传统意义上婚姻是被定义在社会层面的。

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Hotel executives say it's too early to tell if their social-media efforts are beefing up the bottom line.

酒店管理者们则认为，现在要判断社会媒体营销是否有助提高利润，还为时尚早。

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The bottom line is that employers can, will, and probably should look at social networking profiles and other online information sources when making hiring decisions.

当做出是否雇佣决定时，雇主可以，并且愿意参考社交网站或者其他在线信息源。

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Their new crowdfunding platform is designed specifically to take advantage of the JOBS Act to allow social entrepreneurs focusing on a double bottom line (profit and social good) to raise equity.

FORBES: Why Crowdfunding Will Explode In 2013

The challenge is the ability to link business objectives, social media strategies and the bottom line.

FORBES: How Social Media Can Spur Organizational Transformation

The bottom line is that social media is here to stay and small business should take advantage of the opportunity.

WSJ: Debate: Does Social Media Deliver Results for Small Businesses?