ratio of contribution的用法和樣例：
例句
- In the next ten years he wants to halve investment's contribution to growth and triple that of consumption and exports.
在未來十年內，他希望投資對於經濟增長的貢獻率能夠減半，而消費和出口的貢獻能夠三倍於現在的比例。 - A model about valuing the contribution rate of economy growth was built, based on three kinds of datum.
我們基於三類經濟數據，建立了測算人力資本對經濟增長貢獻率的模型。
