fourth industry的用法和樣例：
例句
- Industries based on brainwork or knowledge are called the quaternary industry.
以腦力勞動或知識為基礎的產業被稱為第四產業。 - The emergence and boom of the knowledge industry has led to the creation of the quaternary industry theory, which further divides intellectual work from physical labor.
知識產業的形成和繁榮直接導致第四產業理論的誕生，並且該產業區分開了腦力勞動和體力勞動。
