big fall voltage的用法和样例：
- Looking towards next year,we can see a big fall in prices.
- Looking towards next year, we can see a big fall in prices.
- Last year was a bad year for the company. There was a big fall in sales.
- Unfortunately, it would take a very big fall in the dollar to make much of a dent in the trade deficit.
- The slowing will be even sharper once a big fall in bonuses, especially in the finance industry, is included.