important in a situation but not always easily noticed or stated clearly潜在的；隐含的◆The underlying assumption is that the amount of money available is limited.言下之意是可用资金有限。◆The underlying cause of the crisis was a lack of investment.这场危机的深层原因是投资匮乏。 (; ) used to describe basic figures, rates, etc. excluding any special effect, event or payment基础的；基本的◆Underlying sales growth rose 4.5%.基本销售额增长了 4.5%。◆an increase in underlying pre-tax profits税前基本利润的增长 () used to describe the items that particular types of investments are based on支撑的；基础的◆The value of derivatives depends on the value or change in value of an underlying security.衍生产品的价值取决于其基础资产的价值或其价值变动。◆underlying shares/stock/bonds/assets基础股份／股票／债券／资产