Turning to cost, I am not sure to which Merrill Lynch study you are referring, but it would be simplistic to compare seat-mile costs of narrow-body operation over U.S.

说到成本，我不确定你指的是美林的哪一项研究，但用美国各地窄体飞机运营的座位-英里成本做比较，未免过于简单。

youdao

Just last week, an expert study concluded that the costs of treating cancer are now unsustainable in even the richest nations.

就在上个星期，一项专家研究指出，即使是最富的国家，现在也无法维持癌症治疗费用。

youdao

The study also determined the costs of operating the Navy Department's two F-35 variants would far exceed initial Pentagon projections.

该研究还确定经营海军部两架变种F - 35的费用，远远超出最初五角大楼预测的费用。

youdao

Costs for graduate study in the United States also differ from school to school, and even from program to program.

VOA: special.2010.04.08

John Anderson wants to know the costs of undergraduate and graduate study in the United States.

VOA: special.2010.04.08

He is the author of the Mercatus study The Employment Costs of Regulation.

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The University of Alaska Institute for Social and Economic Reform carried out a study into the costs of climate change, based on predictive climate models.

BBC: Alaska village faces eroded future

But AAA's annual Your Driving Costs study, published in early April, figures that the average cost of driving a new passenger car is 56.2 cents, up 4.5 cents over the 2003 calculation of 51.7 cents.

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