China has made great achievements since it opened its doors to the outside world.

中国自对外开放以来取得了巨大的成就。

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It doesn't impress like George Washington's plantation on the Potomac, but Lincoln's home in downtown Springfield, Illinois, has proved irresistible to visitors since it opened to the public.

林肯在伊利诺伊州斯普林菲尔德市中心的家不像乔治·华盛顿在波托马克河畔的种植园那样可以给人留下深刻印象，但自从向公众开放以来，就吸引了无数游客。

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More than 500,000 people have registered with its British branch since it opened in June 2008.

自它的英国子公司2008年6月开办以来，注册人数已超过50万人。

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More than one billion eight hundred million vehicles have used the bridge since it opened more than seventy years ago.

VOA: special.2010.07.23

More than six hundred fifty million people have visited the Mall of America since it opened eighteen years ago.

VOA: special.2010.08.13

Flambards in Helston has been run by the Kingsford-Hale family since it opened in 1976.

BBC: Britain in the Blitz at Flambards

Since it opened to the public in March, it has had more than 20, 000 visitors.

BBC: The Queen opens the Windsor and Royal Borough Museum

Lee Kun-Hee's wife, Ra Hee Hong Lee, has been the museum's director-general since it opened.

FORBES: Art and Seoul