drop by

基本解释

The IEA estimates that the output from mature fields outside OPEC would naturally drop by about 11% a year.
国际能源署估计非欧佩克成员国内的成熟油田产量每年将自然下降11%。
BASF, the world's biggest chemical company, saw its profits drop by half as both volumes and prices slumped.
世界最大的化学公司巴斯夫发现在销量和价格骤降下盈利下降了一半。
We envisage that consumers and businesses would likely stop spending on all but essential items, and the value of the dollar would drop by 10% or more against other major currencies.
据我们猜测,消费者和企业可能对必需品以外的商品停止消费，美元对其它主要货币的价值将下跌10%或者更多。

Kenneth Feinberg, the Treasury official leading the pay review, says the executives' salaries will be cut by as much as 90 percent, and their average total compensation will drop by about half, starting in November.
So, we paid one dividend and I don't know how much excitement it generated, but that's the Does this mean that share price will drop by $2 after a $2 dividend?
所以我们分了一次红,我不知道这引起了多大的兴奋,但这是,分了两美元股利后,是不是每股价格就会下降两美元
耶鲁公开课 - 金融市场课程节选
because there are a lot of stars that live around here that sometimes drop by.
因为这附近住着很多明星，他们有时候会路过。
学习机械工程 - SpeakingMax英语口语达人

Controversy over Vytorin's efficacy caused its sales to drop by a quarter from a year ago.
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