| 单词 | once upon a time | 
| 释义 | once upon a timephraseSee full dictionary entry for  once Once upon a time is used to indicate that something happened or existed a long time ago or in an imaginary world. It is often used at the beginning of children's stories.  'Once upon a time,' he began, 'there was a man who had everything.'.  Once upon a time, asking a woman if she has a job was quite a straightforward question. once upon a time in British Englishused to begin fairy tales and children's stories once upon a time in American English in the past, esp. a long time ago Examples of 'once upon a time' in a sentence | 
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