| 1. | Since oil and water do not mix, the ingredients of these tar sands formed an unusual arrangement .
由于水和油互不溶合，这种油沙的成分别具一格。 |
| 2. | The mayor of the main oil - sands district has called for a lull in new projects
主要油沙开采区的区长已经叫停了新报的开发项目。 |
| 3. | Norway ' s statoil has just spent $ 2 billion on a canadian firm with oil - sands rights
挪威的国家石油公司已经对其拥有油沙开发权的加拿大公司投资了近20亿美元。 |
| 4. | Best of all , the oil sands are in canada , a hearteningly moderate and stable country
更重要的是，这些油沙存在于加拿大一个气候温和、社会稳定的令人行动的国家。 |
| 5. | If the price of natural gas rises , or that of oil falls , the oil sands will look less enticing
如果天然气的价格上升，或者石油的价格下跌，油沙的吸引力将由此减低。 |
| 6. | The uncertainties surrounding the oil sands , in other words , are as big as the developments themselves
换句话说，围绕着油沙的层层不确定因素，就像被其包于当中的油沙那样庞大。 |
| 7. | Until recently , most big oil firms shunned the oil sands as too expensive to exploit
一直以来，油沙的开发成本昂贵导致其不能被开发利用，大部分的大型石油公司对此问题也是避而不谈。 |
| 8. | Analysts at citibank reckon the oil price needs to remain above $ 40 a barrel to make the development of the oil sands worthwhile
花旗银行的分析师认为只有当油价持续高于40美元一桶时，油沙的开发才变得有价值的。 |
| 9. | To that end , it will soon require oil - sands projects to reduce the ratio of emissions to oil produced by 2 % a year
对此，加拿大政府将在不久后对油沙开发项目作出整改的要求，使得排放量与产油量的比率降到每年2 。 |
| 10. | But with oil selling for around $ 70 a barrel , and with big oil firms struggling to find new resources , the oil sands suddenly seem much more attractive
但鉴于当下油价在70美元上下波动，而石油巨头们却苦于找不到新的资源，油沙似乎突然间变得十分的吸引。 |
