今天我们要学的词是 volatility. Volatility 名词，意思是波动性。

Analysts are warning of further market volatility following a roller-coaster ride last week.

经过上周一周的起伏跌荡，分析人士警告说，市场波动还会继续下去。

Federal Reserve Vice Chairman Stanley Fischer said market volatility is a key factor in deciding whether to raise interest rates.

美联储副主席斯坦利.费希尔说，市场波动性是决定是否加息的一个关键因素。

好的，今天我们学习的词是 volatility, volatility, volatility...