"previously" in Chinese (Traditional)
先前之前
Definition
在較早的時候；在現在之前，或在所談論的那個時間之前。用來表示某事更早發生過或曾經是真實的。
Usage Notes (Chinese (Traditional))
這個詞常見於正式或中性的英語，尤其在書面語中，如 'previously mentioned'、'previously owned'。在日常口語裡，'before' 往往更自然。它通常表示時間上更早，而不只是列表中的先後順序。
Examples
I had seen that movie previously.
我**之前**看過那部電影。
She worked here previously.
她**之前**在這裡工作過。
This house was previously a school.
這棟房子**先前**是一所學校。
As previously discussed, the meeting starts at nine.
如**先前**所討論，會議九點開始。
He was previously married, but he's single now.
他**之前**結過婚，但現在單身。
The app was previously free, but now you need a subscription.
這個應用程式**之前**是免費的，但現在你需要訂閱。