David, where did you get so many old books?
Some graduates were selling their used books. They were really cheap so I bought some.
But aren't you leaving China in 2 weeks? How can you finish reading so many books?
I'll take them back to America. I want to continue to improve my Chinese so they'll be very helpful.
When will you come to China again?
I don't know. Maybe several years later or maybe next year. That all depends.
Depends on what?
It depends on whether my mom will recover or not. If she is still ill, I cannot leave her to work in China.