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once; some time ago
ひところ夢中だった登山にまた興味が湧いてきた。
I've become interested again in mountain climbing, which I was once passionate about.
ひところの円安に比べると為替は安定してきた。
Compared to the weak yen of some time ago, the exchange rate has stabilized.
ひところ話題になった映画がやっと配信された。
A film that was the talk of the town a while ago has finally been released for streaming.