HSK 3
Zhèzhǒng shāngyè móshì hěn chénggōng.
This business model is very successful.
HSK 4
Wǒmen xūyào gǎibiàn chuántǒng de jiàoxué móshì.
We need to change the traditional teaching model.
HSK 7-9
Qǐng bǎ shǒujī tiáo dào jìngyīn móshì.
Please set your phone to silent mode.