c: i'd be delighted to. in fact, i've got a few. spare copies with me. i'll bring one with me tomorrow.
b: thank you very much.
a: excuse me, aren't you dr. engleton?
b: yes.
a: let me introduce myself. i'm li hong from
b: nice to meet you, mr. li.
a: nice to meet you too. i'd appreciate the chance to talk to you some time.
b: that's very kind of you. what do you think of the morning session?
a: it's been most interesting so far, hasn't it?