investments on human resource的用法和樣例：
例句
- Educational investment is the key form of human capital investment.
人力資本投資的關鍵形式是教育投資。 - All these lead to differences of human capital investments of different individuals, and differences of human capital and income differences.
這造成了不同個體之間在人力資本投資上的差異，產生了他們之間的人力資本差距和收入差距。
