再配上另一位友人的:First,check you have all the ingredients.You need green onion ,sauce,
slices of duck and pancakes.Next,put some sauce on a pancake.Then put
slices of duck on the sauce.Finally add green onion on the top and roll it.NOW you can enjoyBeijing Duck.
(谢谢 南风轻轻abc)
参考资料:百度知道