Four new TGV high-speed rail lines will be under construction at the same time.

四条新的TGV高铁同时也会开工。

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To improve the efficiency of construction at the same time, also ensure the quality of construction.

在提高施工效率的同时，还要保证施工质量。

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Shan-Shui city is the ideal mode of Chinese urban construction in the 21st century. It is ultimate goal of contemporary cityscape planning and construction at the same time.

山水城市是二十一世纪中国城市建设的理想模式，同时也是当代城市风貌与景观规划建设的终极目标。

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Now, that -- the same construction crew would upgrade all the homes on the same block at the same time.

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At the same time, residential construction companies have decreased the amount they spend, relative to sales, on advertising and payroll, Sageworks data shows.

FORBES: Residential builders see improved profitability

The MeXvi product allows families to live in their own land while at the same time providing them with construction materials as well as design and technical assistance to build a high-quality home.

FORBES: MeXvi: Enabling Families To Have A Home