北边: north, north side, northern part, to the north of...
论述: treatise, discourse, exposition...
之后: afterwards, following, later, after...
电灯: electric light...
条款: clause (of contract or law)...
脸: face...
节气: solar term...
屋顶: roof...
因人而异: varying from person to person (idiom); different for each individual...
英雄: hero...