求翻译：以融资160亿美元之巨，吸引全球互联网目光，但随即的股价大幅跳水，引起各界对社交网站盈利模式和能力的质疑和讨论，社交广告价值首当其冲成为讨论焦点是什么意思？

Financing of $ 16 billion is huge, attracting global Internet eyes, but then the share price has fallen sharply, has attracted extensive questioning and discussion of the profit model and the ability of social networking sites, social advertising value of the first to be the focus of discussion

In order to finance $16 billion, and attract the global Internet, but was then sighted the stock price dive, which has attracted to social networking sites profit mode and the ability of the question and discussion, the social value advertising the brunt of the focus for discussion

Finances 16,000,000,000 US dollar greatness, attracts the global Internet vision, but the immediately stock price large diving, causes from all walks of life to the public relations website profit pattern and ability question and the discussion, the public relations advertisement value bears the bru

To finance 16 billion dollars annually, attracting global Internet eyes, but then share prices plunged, many people on the social networking site questions and discussion of profit-making model and capacity, social advertising value first to become focus of discussions

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