billion-5BNC¹⁷³⁹⁹⁵⁺²Economist⁴¹³⁰³⁺² 例句 The benefits to health were estimated in2003 at Euro50 billion over the next30 years, and the costs were put at Euro 2.8 billion-5.2 billion over the next11 years. 据估计,健康福利在2003年后的30年将保持在500亿欧元的水平,而此后11年的花费将达到28亿到52亿欧元。 ecocn