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from time to time▼(occasionally)preposition[UK: frəm ˈtaɪm tuː ˈtaɪm] [US: frəm ˈtaɪm ˈtuː ˈtaɪm]
every so often▼(occasionally)adverb
now and then▼((idiomatic) sometimes; occasionally; intermittently)adverb[UK: naʊ ənd ðen] [US: ˈnaʊ ænd ˈðen]
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