Wǒ xūyào tōngguò sùdì jì sòng zhè fèn wénjiàn.
I need to send this document via express delivery.
Sùdì bǐ pǔtōng yóujiàn kuài hěnduō.
Express delivery is much faster than regular mail.
Tāmen tígōng guójì sùdì fúwù.
They offer international courier services.
