弹性收入elasticity: n. 1.弹力,弹性;伸缩力,伸缩性,灵活性。 2.开朗 ...income: n. (定期)收入,所得,收益。 an earned [ ...income elasticity: 收入弹性conditional income elasticity: 条件收入弹性elasticity of tax to national income: 国民收入的税收弹性; 国民收入税收弹性下载手机词典可随时随地查词查翻译