consume
v.消费，消耗(spend)
Americans consume a huge amount of sugar each year.
美国每年消耗大量的糖。
distribution
n.分配，分发；配给物
Distribution is the process of marketing and supplying goods, especially to retailers.
商品的流通是指销售和配销商品的过程，尤指给零售商配销。
durability
n.经久；耐久力
nominal
adj.名义上的；近似的，大约的
Nominal gross domestic production differs from real gross domestic production.
名义国内生产总值不同于实际国内生产总值。
taxation
n.课税，征税，抽税；税款，估定的税额
Government employs taxation to collect money.
政府使用税收来收钱。
externality
n.外部因素；可能影响行动进程的偶然条件
Our economic system treats environmental degradation as an externality.
我们的经济体制视环境恶化为外部因素。
asymmetric
adj.不均匀的，不对称的
fluctuate
vi.变动，波动，涨落
predictability
n.可预见性
trademark
n.商标
copyright
n.版权，著作权
Copyright protects the legal interests of authors.
版权保护作者的合法利益。
brand
n.商标，牌子；烙印
Nike is very famous brand of sports wear.
耐克是非常著名的运动品牌。
appreciation
n.增值
depreciation
n.贬值
Depreciation of the US dollars against the Chinese currency drives US export to China.
美元兑人民币的贬值推动美国对中国的出口。