hours of labour的用法和樣例：
例句
- In all industries where the hours of labor are long, there you will find the least development of the power of invention.
在所有勞動時間長的工業中，人們會發現那裡工人的發明創造力發揮得最差。 - In contrast, he used more than one hundred pages to demonstrate the economic and social consequences of long hours of work by women.
相反，為說明婦女勞動時間長產生的經濟和社會後果，他竟用了一百多頁。
