This follows the biggest weekly drop in prices since October.

这是自去年10月以来最大的单周跌幅。

But the financial crisis of 2008 would cause a sharp drop in prices.

但2008年的金融危机导致价格急剧下跌。

The subsequent rapid drop in price of the assets was ultimately the cause of the bank's downfall.

随后资产价格的快速下跌最终导致了银行的倒闭。

Equilibrium is the balance between different forces. The sudden drop in prices upset the equilibrium of the economy.

平衡是不同力量之间的平衡 价格的突然下跌破坏了经济的平衡。

But as they have dropped in price more people have begun to use them. Rescue workers and farmers are among the new users.

但随着成本的下降，越来越多人开始使用无人机。援救人员和农民也是新使用者。

If everything is dropping in price, people begin to sell, which of course causes the price to go lower even more.

如果一切都在降价， 人们就会开始抛售，这当然会导致价格进一步下跌。

This increased productivity, eventually brought down prices, and this encouraged further innovation in order to increase yield to make up for the drop in prices.

这提高了生产率， 最终降低了价格，这鼓励了进一步的创新， 以提高产量来弥补价格的下降。

For example, you might assume, without evidence, that the price of your house will go up even though 90 percent of them have dropped in price, because you yourself are more competent.

举一个例子，你可能会毫无根据地假定自己的房子会升值，哪怕周围百分之九十的房子都已经贬值了，因为你总认为自己的能力更强。