cuuxan
adverb of time時間副詞較久的過去the more distant past
你那一次經過這裡已是較久的事了。
The last time you passed through here was quite a while ago.
我們以前就相識。
We have known each other for a long time.
我們是上回去過一次,那已經是滿久的事了。
We went there once before, but that was quite a long time ago.