这种药的用量即使不很大也会致命。
随着北半球秋季的临近，太阳能的可用量大幅下降。
As fall approaches in the northern hemisphere, the amount of solar energy available declines considerably.
她说：“这就像是做蛋糕：如果没有精确的用量，就会出错。”
"It's like baking a cake: If you don't have exact amounts, it goes wrong," she says.
58岁的纳奥米·姆里乌基弯腰主动地给大家讲这种装置能使柴火用量减少一半。
Naomi Muriuki, 58, took the initiative to tell everyone that this device could reduce the amount of firewood used in half.
根据农民的报告，试验转基因种子的人与没有试验的人相比，每英亩用于控制害虫的杀虫剂用量只是稍微少一点。
According to farmers' report, the amount of insecticide needed per acre to control insect pests was only slightly lower for those who tried the modified seed than for those who did not.
他们也关心最小化能源用量和减少浪费。
They also care about minimizing energy use and reducing waste.
全世界的纸张使用量预计在未来40年内翻一番。
Worldwide use of paper is expected to double in the next 40 years.
对于客运来说，汽车使用量的惊人增长是决定性因素。
For passenger transport, the determining factor is the spectacular growth in car use.
他说，他将确保该公司将塑料吸管的使用量减少一半。
He said he would make sure that the company cut its use of plastic straws in half.
它也是在工业革命时期的，带来了煤等化石燃料使用量的巨大增长。
This was also the time of the industrial revolution, which brought a tremendous increase in the use of fossil fuels such as coal.
下一个问题是，平均幸福感的下降是否与电子设备使用量的增加同时发生？
The next question is, are the drops in average well-being happening at the same time as trends toward increased electronic device usage?
值得注意的是，在不同的电影中，对白的使用方式和对白的使用量差别很大。
It should be noted that how dialogue is used and the very amount of dialogue used varies widely among films.
研究表明，当人们按实际使用量付款时，他们使用的能源大约减少了五分之一。
Studies show that people use approximately one fifth less energy when they are billed for exactly what they use.
例如，在线使用量增长较大的年份之后的是幸福感较低的年份，而不是相反的情况。
For instance, years with a larger increase in online usage were followed by years with lower wellbeing, rather than the other way around.
实际上，在斯德哥尔摩，随着城市规模的扩大和人民富裕程度的提高，汽车的使用量在近年来有所下降。
In Stockholm, car use has actually fallen in recent years as the city has become larger and wealthier.
在发达国家，随着越来越多的人搬到城市中心，汽车使用量正在下降，而年轻人更倾向于选择其他出行方式。
Across the developed world, car use is in decline as more people move to city centres, while young people especially are opting for other means of travel.
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