noun 下载 🔗分享 沃土，平原，烟草种植地。 (Latin America) An open tract of ground; a plain, especially one which is moist and fertile, such as those used for growing tobacco. Examples : "The farmer cultivated his tobacco in the vegas along the riverbank, where the soil was rich and damp. " 农民在河岸边的沃土平原上种植烟草，那里的土壤肥沃而湿润。 geography agriculture plant environment area 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 期权vega值, 维加。 A measurement of the sensitivity of the value of an option to changes in the implied volatility of the price of the underlying asset. Examples : "The options trader calculated the vega to see how much the value of the stock option would change if the market's volatility increased. " 期权交易员计算了维加值，以了解如果市场波动率增加，股票期权的价值会发生多大的变化。 business finance value economy 与AI对话词汇游戏阅读练习
