第一句：Excuse me. Where is the Lost and Found Office?

请问失物招领处在哪儿？

A: Excuse me. Where is the Lost and Found Office?

请问失物招领处在哪儿？

B: On the second floor of this department store.

在这家百货店的二楼。

第二句：could you tell me where the Lost Property Office is?

您能告诉我失物招领处在哪儿吗？

A: Excuse me, could you tell me where the Lost Property Office is?

打扰一下，您能告诉我失物招领处在哪儿吗？

B: I've no idea. You'd better ask the police.

我不清楚，你最好问问警察。