This is a wrong statement:
他出境中國得用有效的中國的旅行證,不能用美國護照
The US passport must be used to leave China in whatever situation, because passport itself is the most basic travel document in addition to a citizenship doc.
他出境中國得用有效的中國的旅行證,不能用美國護照
The US passport must be used to leave China in whatever situation, because passport itself is the most basic travel document in addition to a citizenship doc.