The US marines corps recently ordered an energy audit of its operations in Afghanistan, in a bid to reduce enormous fuel costs.

美国海军陆战队最近下令对其在阿富汗展开的行动进行能源审计，以减少巨大的燃料成本。

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All four cities have produced fat "bid books" explaining why they will be the best showcase and listing the projected costs of stadiums, roads and accommodation.

这四个城市均制作了厚厚的竞标书，阐明了各自最适合举办奥运会的原因，并列出了修建场馆、道路和运动员食宿场所的费用清单。

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The move is part of the bid to control costs at PetrolChina, which saw its pre-tax profits drop 39% in June, market analysts said.

中石油透露，今年前6月税前利润同比下降39%。市场人士分析，此次裁员计划应是中石油控制成本的一大举措。

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The force began a recruitment freeze in October 2009 in a bid to cut costs.

BBC: Leicestershire police told to make further budget cuts

But the firm has announced it is now reviewing operations in a bid to cut costs.

BBC: Up to 70 Deeside IT jobs 'under threat'

Production has been outsourced to China in a bid to keep costs of the bare-bones machine in check.

BBC: Raspberry Pi buyers face delay after factory mistake