The entrepreneurs laid the first tunnels, operated the first lines, and showed that it was a profitable enterprise.

企业家们开掘了第一条隧道，运行了第一条地铁线路，并且显示这是有利可图的。

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Shows that the search engine's Web log and commercial release of the site has become a profitable enterprise means.

可见，搜索引擎的登录和商业网站的发布已经成为企业网站盈利的手段。

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Therefore, the Gazette can expect to become a profitable enterprise for the first time since the editor-in-chief was hired.

因此，既然雇用了主编，G可以期望第一次成为一个盈利的企业。

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If recent figures are any indication, commercial space travel may prove to be a profitable enterprise for Boeing.

FORBES: Boeing Might Make Big Money Sending Tourists To Space

But Neuharth made constant promotional appearances and met with company executives around the country to pitch the newspaper, and it developed into a profitable enterprise.

WSJ: USA Today founder Neuharth dies in Florida at 89

In just 10 years, Dr. Shrotriya has created the company from scratch, literally, to build up what is now a profitable enterprise that has produced two cancer drugs that are already in the market.

FORBES: Why This Tiny But Profitable Biotech May Be Gobbled Up By Big Pharma