A: My company is a foreign investment group, and I would like to make tax registration.
B: No problem. Could you please pass me your business license?
A: Sure, here it is.
B: First I have a question, in what field or fields is your company engaged?
A: Our enterprise is engaged in advertising field is your company engaged?
B: Please fill out this Registration Form over there, the green one.
A: Excuse me; I have done with the form. What should I do next?
B: Go to the next window with this registration form and the staff members there will tell you what other materials you will have to hand in.
A: OK, thank you. By the way, how much fee should I pay for the registration?
B: It's free of charge.
“be engaged in”意思是“忙于，从事于”，例如：Can the import-export company be engaged in domestic business? 进出口公司可以做国内贸易吗?内容来自 听力课堂网：http://www.tingclass.net/show-9186-294175-1.html