zhé xué / kè shàng / wǒ men / tǎo lùn / le / wéi wù zhǔ yì / hé / wéi xīn zhǔ yì / de / qū bié哲学课上我们讨论了唯物主义和唯心主义的区别。In philosophy class, we discussed the difference between materialism and idealism.