Examples
guì zú贵族zhù住zài在gù故gōng宫de的dōng bian东边hé和xī biān西边。
贵族住在故宫的东边和西边。
Aristocrats lived to the east and west of the imperial palace.
我写，故我在。
I write, therefore I am.
我们总是应该带上安全带以防出事故。
We should always wear a seatbelt in case we have an accident.