封建制度在很多国家曾经是主流。
fēngjiàn zhìdù zài hěnduō guójiā céngjīng shì zhǔliú 。
The feudal system was once mainstream in many countries.
他的思想还是很封建。
tāde sīxiǎng háishì hěn fēngjiàn 。
His thoughts are still very feudal.
许多封建观念现在已经不再适用。
xǔduō fēngjiàn guānniàn xiànzài yǐjīng bùzài shìyòng 。
Many feudal concepts are no longer applicable today.