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1·She was at a loss over mechanical graphing, calculus, and other courses.

面对机械制图、微积分以及其他一些课程，她完全不知所措。

2·Camilla was at a loss over what to buy for Charles - he is the man with everything.

卡米拉一直很头疼要送查尔斯什么生日礼物——他什么都不缺。

3·By the mid-1980s Americans had found themselves at a loss over their fading industrial competitiveness.

到了80年代中期，面对其日益衰退的工业竞争力，美国人感到不知所措。

4·By the mid 1980s Americans had found themselves at a loss over their fading industrial competitiveness.

到了80年代中期，面对其日益衰退的工业竞争力，美国人感到了迷茫。

5·Bremmer Rodrigues, who runs a bakery on the outskirts of Caracas, said his family are at a loss over what to do with their bags of bills.

布雷默·罗德里格斯在加拉加斯郊区经营着一家面包店，他表示，成包的钞票让他们一家感到无所适从。

6·One Western diplomat, present at a weekend meeting in Beijing between envoys from America, Japan, China and South Korea, says these four parties are at a loss over where to go next.

在北京举行的一个周末会议上，一名西方外交官，在美国，日本，中国和韩国的公使都在场的时候，说这四方已经对未来的方向“不知所措了”。

7·Fuel efficiency standards have induced producers to make costly, high-mileage vehicles over the years and sell them at no profit or at a loss because of limited demand.

燃油能效标准已经使汽车公司最近几年开始生产那些昂贵的、长通车里程的汽车，但是由于需求有限，只能赔本销售。

8·In January 2010, the FDA warned the public about a counterfeit version of the weight-loss drug Alli being sold over the Internet, particularly at online auction sites.

2010年1月，FDA对公众发出警告称，有一种叫做“阿里”的假减肥药正在互联网上出售，尤其是在一些拍卖网站。

9·Determined to lose some weight, she started working out at the gym and one of the trainers suggested she try running to get over a weight loss plateau.

下决心减肥后，她开始去健身房健身。那里的一个教练建议她尝试跑步减肥的。

10·Neither Twitter nor Facebook is at a loss for ad revenue or attention. eMarketer recently predicted Twitter's 2011 ad revenue will reach $150 million, a 200-percent increase over last year.

不论是Twitter还是Facebook，对于他们的广告收入或是关注度，根本没有任何损失。 网络营销人员最近预测2011年Twitter的广告收入将达到1.5亿美元，较之去年同期增加增加了两倍。