VO:why do you come to USA?
l: I want to seek knowledge to xxxxxxxxxxx project.
VO:what kind of knowledge?
l: XXXXX which is of key importance to XXXX project.
VO:have you apllied Chinese University?
l:no. because Chinese Academy of sciences is one of
the best in xx field in China. But we still can
not xxxx .
VO:Do you have any relatives in America?
l: No.
VO:How long will you stay in USA?
l: 4-5 years.
VO: It is a long time. You will work in USA.
说完就盖撮了。