With the cost of fuel , it 's uneconomical to trade even for diamonds .

把燃料成本算在内的话，就算是去卖钻石也不划算。

To the industry 's opponents , all this is proof that nuclear electricity is uneconomical .

核能工业的反对者认为，以上所述皆证明核电其实并不经济。

But chevron has already warned that australia 's cap and trade initiative could make the development of the gorgon gas field uneconomical .

不过，雪佛龙（chevron）已经发出警告，称澳大利亚的限额和交易措施可能使高更（gorgon）天然气田的开发变得无利可图。

This matters for cultural life , because most literary fiction and serious non-fiction falls into that bracket and much of it could become uneconomical to publish .

这事关文化生活，因为大部分文学小说和严肃的非小说作品都属于非畅销书，其中大部分出版以后都成为了浪费。

Although that argument is more often a rationalization for particular tariffs than a valid reason for them it cannot be denied that on occasion it might justify the maintenance of otherwise uneconomical productive facilities .

这种论调可以作为特殊关税合理化的建议，而非正当理由，不过不可否认的是，国家安全偶尔也被用来论证一些非经济生产单元存在的必要性。