This is the 8178th most frequent Chinese word.
evers
The word "evers" does not exist in Chinese. It seems to be an error or misunderstanding.
曾经 (once) illustrates a past occurrence or a state in history.
在历史上，英国曾经是一个强大的帝国。
In history, Britain was once a powerful empire.
曾经 (ever) conveys the possibility of a situation occurring at any time in the past.
如果你曾经需要帮助，请随时联系我。
If you ever need help, feel free to contact me.
曾经 (ever) emphasizes a situation that has not occurred at any time.