productive force of labour的用法和樣例：
例句
- When we use foreign industrial know-how to raise our labour productivity, we are making foreign things serve the needs of China.
利用外國工業技術來提高我們的勞動生產力就是洋為中用的一個例子。 - State governments are left scrabbling to appease rural disgruntlement rather than investing in efforts to lift the productivity of land and labour.
對政府而言，摸索著去平復農民們的不滿，勝過在提高土地和勞動生產力上大力投資。
