Indeed, the purple colour extracted from a snail was once so costly that in society at the time only the rich could afford it.
的确，从蜗牛身上提取的紫色物质曾经非常昂贵，在当时的社会，只有富人才能买得起。
The ring was so costly that I don't want to part with it.
这枚戒指价钱很贵所以我不想舍弃。
Wind- and solar-powered alternatives no longer look so costly by comparison.
相比之下，替代能源风能和太阳能就显得不那么昂贵了。
Because it is so costly to lay off workers, businesses are reluctant to hire them in the first place.
由于解雇员工成本高昂，企业本来就不大情愿雇佣他们。
Defending a libel action can be so costly that many defendants settle immediately or simply do not publish at all.
诽谤案应诉花费高昂，所以很多被告选择马上结案或者不公之于众。
Civil wars are so costly that well-timed military actions are quite likely (though not certain) to be cost-effective.
内战的代价如此高昂，因此，适时的军事行动很可能是成本有效的(尽管这不是必然的)。
Cement is so costly to transport that it rarely travels more than 200 miles (320km) by road, so its markets tend to be local.
运输水泥的成本太高，其公路运输距离几乎不超过200英里(320公里)，所以水泥的市场往往在本地。
By the late 1990s, however, licensing samples had become so costly that many rappers began to create backing tracks and sounds from scratch instead.
在90年代末期以前，然而，准许样品变得很昂贵，许多交谈者开始改为创造依托轨道和声音从头。
The idea that four poorer countries with scant record of co-operation, even on simple things, can finance and build something so costly and complex seems a stretch.
所以，让经济条件不那么好、甚至在简单事务上都鲜有合作的四个国家拿出资金来建造如此昂贵与复杂的项目，似乎是勉为其难了。
Without the support of proper programming skills, developing and maintaining automated test scenarios can be so costly that manual testing becomes more economical.
没有合适的编程技能的支持，开发和维护自动化的测试场景将可能付出很大的代价，甚至还不如手动测试经济。
David Barker, a professor at the University of Iowa, says that despite its oil wealth, Alaska was so costly to develop that the Treasury has lost money on the deal.
爱荷华大学的教授大卫·巴克表示，除了其丰富的石油资源，阿拉斯加开发成本太高，财政部在这桩生意上吃了亏。
The reason they are so costly is because they come from a group of only 50 black Iberian pigs personally selected and reared by a third-generation Iberian pig farmer and curer.
这些火腿如此昂贵是因为，它们来自第三代伊比利养猪专家亲自挑选并饲养的仅有的50头猪。
Having professionally made curtains can be costly, so why not make your own?
买专业制造的窗帘可能很贵，你为什么不自己做呢？
At that point it becomes a requirements exercise... do these gateways meet my needs, and if so, why am I continuing down a slower, more costly, more laborious path to the same end goal?
此时一个需求分析问题就出现了……这些网关能否满足我的需求？如果可以的话，为什么还要继续沿着原先那条更慢、更昂贵、更费劲的道路向相同的目标前进呢？
So risk-taking may be the way to go, given that failure is not that costly, but success is hugely rewarded.
因此，倘若失败者无需付出高昂的代价，而一旦成功回报巨大，那么人们就会不计后果地去冒险。
Every parent wants his or her children to be wise in handling money. As in other areas of life, we hope to equip them so they won't repeat the costly mistakes we may have made in years gone by.
每一个父母都希望自己的孩子能明智地理财，在人生中的其他领域里，我们希望孩子能掌握它门来避免我们过去这些年里所犯的代价高昂的错误。
While the idea of taking your product or business into greener pastures may seem difficult or costly, it ain't necessarily so.
当谈论你的产品或让商业进入更绿色的牧场等一些想法觉得可能会有点困难或花费比较大时，这是有必要的。
So, though scapegoating works, beyond a certain point it gets rather costly.
所以，尽管找替罪羊这招儿肯定奏效，但做得过火了的话代价会很高。
Those who could flee the public system for costly private schools, or for the eight semi-private schools run on the British system, did so.
那些能够逃离公共体制进入昂贵的私立学校，或者以英国体制运行的8所半私立学校的，已经这么做了。
Even if the generating mix gets greener, electric vehicles are so expensive to produce, that they will still be a relatively costly way of abating CO2 emissions.
即使混合而成的物质变得更环保，但是使用它生产电动车辆变得如此昂贵，结果减少二氧化碳仍需很高的成本投入。
That may not sound great, but the power from traditional cells is about five times as costly as grid electricity, so GreenSun's system sounds like a winner for places that are not yet connected.
听起来也许不尽人意，不过传统电池发电的高昂成本大约为电网输电的5倍，所以绿色太阳的方法对那些未接电的地区来说很是不错。
Large scale experiments are costly, so if we know that computer simulations are accurate, that opens the door to a whole new range of research possibilities.
大比例实验花费很多，所以如果我们知道计算机模拟是准确的，那就开启了一道通向全新的研究领域可能性的大门。
However, while many states are able to prosecute, they are often unwilling to do so, as the trials can be complex and costly.
然而，虽然许多国家可以起诉，它们却经常不愿意这么做，因为审判既繁琐又昂贵。
Consumers find it costly, or are often reluctant, to switch between Banks so an industry dominated by a handful of firms is unlikely to be competitive.
消费者发现花费高昂或者常常不情愿调换银行，因此一向产业受控于一系列的公司的话这个产业是不可能有竞争的。
The nuclear power industry has developed methods to deal with minor contamination at plants, she said, “but scaling up those operations for something so large is going to be very costly.
核能工业已经有成熟的方法去处理由核电站引起的较小规模的污染，但是成比例放大其处理规模的话成本是非常高的。
Each year you wait can be costly, so make sure to save enough.
你每等一年都会造成浪费，所以确保要存够钱。
Each year you wait can be costly, so make sure to save enough.
你每等一年都会造成浪费，所以确保要存够钱。
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