1. Health care is one-sixth of the economy. 医疗保健占据整个经济的六分之一。
2. At present we have only produced one-sixth of the world's reserves is about 1 trillion barrels. 目前我们只生产了全球储量的六分之一也就是1万亿桶左右。
3. Geothermal fields produce only about one-sixth of the carbon dioxide that a relatively clean natural-gas-fueled power plant produces. 地热田所产生的二氧化碳量与相对清洁的天燃气火电厂相比大约只有其二氧化碳排放量的六分之一。