到時我會詢問西聯的辦事處，之前有了解過，好像比較簡單，

到時我會詢問西聯的辦事處，之前有了解過，好像比較簡單，

結果 (英文) 1:

At that time, I will ask the Western Union office. I have learned about it before. It seems to be relatively simple.

結果 (英文) 2:

Then I'll ask the Western Union office, which I've understood before, as if it were simpler,

結果 (英文) 3:

At that time, I will ask the office of Western Union. I have known about it before. It seems to be relatively simple,