A Can I help you?
B I want to buy a blue sweater.
A Here, there is a kind of sweater.
B what price is it?
A 60 dollars.
B It is too expensive! Can you tell me which kind is cheaper?
A Oh, there is a kind of sweater for 20 dollars. you can try it now.
B OK.
A can i help you?
B yes, please. i'd like to buy that blue sweater.
A ok, it is 60 dollars.
B let me try it. oh, it is not the one i want to buy.
A then, how about this one?
B all right. how much is it?
A it is 20 dollars.
B thank you. this is what i want to buy.
can
i
help
you
?
yes.
i
want
to
buy
a
cap,
there
are
lots
of
caps,what
color
do
you
want
to
buy?
red.
there
is
a
red
cap.
can
i
try
it?
of
course.here
you
are.
oh,it
is
great,hou
much
is
it?