In every case that can be tested, it is found that a north pole repels a north pole, and a south pole repels a south pole; but that a north and a south pole always attract each other. 伯莎M.克拉克.科学通论.
The limited stock of the Dutch East India company probably repels from that trade many great mercantile capitals which would otherwise go to it. 亚当·斯密.国富论.