复杂报价：使用者传入股票代码；提供程序返回指定股票的当前价格，当前的最高价格、最低价格以及交易量。
Complex Quote: the consumer passes in a stock symbol; the provider returns the current price and the current day's high, low, and volume for the indicated stock.
增长率大约比提供最低限度的方案上的数字高出50%；而世界上几大地区的能源气体的交易量也会翻倍。
The growth is about 50% stronger than in the scenario used as a baseline; trade in gas between the world’s major regions doubles.
包含当前价格、当日最高价和最低价以及当天交易量的复杂报价。
A complex quote containing the current price, high and low price for the day, and volume for the day.
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