例句與造句

1. Jean-Jacques Rousseau wrote about these wild men in 1754 in his Discourse on the Origin of Inequality between men.
2. In his " Discourse on the Origins of Inequality ", Rousseau, anticipating the language of Darwin, states that as the animal-like human species increased there arose a " formidable struggle for existence " between it and other species for food.
3. It's difficult to find discourse on the origin of inequality in a sentence. 用discourse on the origin of inequality造句挺難的