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  at one time
從前，曾經，一度，同時
 
 
At one time in her life she would often go dancing at clubs.
她從前有一段時間常常在俱樂部裡跳舞 。
At one time he thought he was in love with a girl.
 他曾經以為他愛上了一個女孩 。

each
once ever
once upon a time
ever
at one point

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