scarce commodity短语¹⁰⁶¹⁰⁰⁺⁵ 基本例句 稀缺商品 However, making such voters aware of their conflicting views would require a moderate amount of political will— always a scarce commodity when the United States is asked to think about Mexico. 然而,让这些选民们意识到自己的矛盾观点还需要适量的政治意愿—当美国被要求考虑墨西哥的时候，总是没有足够的政治意愿。 ecocn