工程浩大， 所费不赀。
The project is on such a gigantic scale that the cost is hard to calculate.
所谓的胃灼热、胃酸逆流或是胃食道逆流是一种慢性的胃病，罹病的人不仅痛苦，治疗更是所费不赀，标准治疗程序 (包括非处方药) 与手术是个商机庞大的市场；庆幸的是坊间还有很多简单有效的传统替代疗法，如苹果醋、肉桂及生姜等材料，对大多数的人来说都非常容易取得。
Standard interventions of medication and surgery also include over the counter remedies for which there is a huge market. Fortunately, there are many effective alternative and traditional solutions.
这个问题所费不赀，而且我们的许多系统都要面对这种复杂性，这样花销更是多得多了。
The costs are not insubstantial, and they can be multiplied across as many of our systems as come into contact with this complexity.
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