trade investment的用法和樣例：
例句
- Right now, the biggest problem facing our economy is plunging business investment.
當前我們經濟面臨的最大問題是商業投資的大幅下降。 - Yet despite repeated predictions from economists, household spending has failed to follow a rise in business investment and exports.
可是，儘管經濟學家們反覆預測，家庭消費還是沒有跟隨商業投資及出口上升。
