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Trying to understand this tweet:

日曜日は掃除の日。新しく買った掃除機が良すぎる!忙しいと週一とかになりがちな掃除機がけも、これでマメにやれそう♪( ´▽`)ルンバと迷ったけどこっちにしてよかった!やっぱり掃除は自分でしたいしね。

I understood everything up to 週一. What does that sentence say?

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up vote 7 down vote accepted

週一 is a shorthand for 週一回, which means "once per week".

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So what does 週一とかになりがちな掃除機がけも say? – language hacker Jul 24 '11 at 18:57
@languagehacker Often I can only use the vacuum cleaner once a week when I'm busy (the house would get very dirty when I do it) – fefe Dec 29 '11 at 6:35

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