A:
(A0409)
你呆了多久了?
Nı̌ dāi le duōjiǔ le?
How long have you been here?
B:
一年了。
Yı̄ nián le.
One year.
A:
你要呆多久?
Nı̌ yào dāi duōjiǔ?
How long will you stay?
B:
也许一年。
Yěxǔ yı̄ nián.
Maybe a year.