The fact is, you could have your very own nutrient requirements determined, but it would be terribly costly, and would likely bear strong resemblance to the current RDAs.
事实上，你本可以确定自己对营养素的需要，但这样做是非常昂贵的，而且结果也会和目前的推荐日摄食量的结果非常相似。
But modifications needed for carrying astronauts could be costly and the launch alliance has also experienced delays and cost overruns.
但是为搭载宇航员而进行的修改花费高昂，联合发射联盟还深受工程延期和成本超支之扰。
Systematic and detailed understanding of the chemistry, topography and flow of the waters that cover two-thirds of the planet would be costly, but it could be achieved.
系统而详实了解覆盖地球表面三分之二的海洋水域的化学特性、地形及水流特性代价高昂，但是可以实现的。
Such renegotiation could jeopardize federal funding and delay construction, but the needless haste created by Washington's arbitrary deadlines have resulted in mistakes that could be extremely costly.
这样的谈判或许会让联邦基金更加捉襟见肘，也可能会延迟建设，但是华盛顿恣意定下的死线造成了没有必要的犹豫，而这种犹豫所导致的错误或许更加昂贵。
Obviously men will not be buying lipstick, but could be tempted by expensive beer or smaller, less costly gadgets.
男性消费者当然不会去买口红了，不过他们可能会买高档啤酒或一些小巧又不太贵的小玩意。
Obviously men will not be buying lipstick, but could be tempted by expensive beer or smaller, less costly gadgets.
男性消费者当然不会去买口红了，不过他们可能会买高档啤酒或一些小巧又不太贵的小玩意。
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