'it's not so easy to prepare the sewer for visitors,' says Mr. Gottschall in Vienna, an engineer who once designed sanitary works.

维也纳的戈特沙尔说，在下水道开门迎客前做好准备工作并不是件容易的事。他是一位工程师，曾经设计过卫生工程项目。

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The Antique Wine Company once designed a cellar at the top of a 30 story building in Mexico City.

Antique Wine公司曾经在墨西哥城的一幢三十层的楼房的楼顶设计了一个酒窖。

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Our country's old professional technician management system was once designed for planning economy.

推行执业资格制度是我国转变专业技术人员管理方式的重要内容之一。

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Once we have those classrooms, the stuffing cost is to be designed to be the same as what we currently use in personal physics.

一旦我们建成这些教室，其他的人员成本应该,和现在投入到物理教学,所用的成本一致。

麻省理工公开课 - 媒体、教育、市场课程节选

Founded in 1898 and based in upper Manhattan, the academy once was designed to keep the likes of Dylan away, shunning everyone from jazz artists to modernist poets.

WSJ: AP NewsBreak: Dylan voted into elite arts academy

Today, thanks in part to discoveries made right here at Argonne, some of the most high-tech, fuel-efficient, pretty spiffy cars in the world are once again designed, engineered and built here in the United States.

WHITEHOUSE: President Obama Speaks on American Energy

The midsection and most of the parts are designed once.

FORBES: Magazine Article