Question

دو روز در میان ، سه روز در میان ، چهار روز در میان

Answer 1

Hi,

Every three/four days

 

http://english.stackexchange.com/questions/82902/i-see-someone-every-two-days

Comments

Hi Ali. I think the answer is "every two/three days".

I go to the supermarket every four or five days.

This is where I got this sentence from:

http://www.thefreedictionary.com/every

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Hi,

Thanks. My bad.

Answer 2

Every third day , every fourth day 

https://www.collinsdictionary.com/dictionary/english/every-other-day-every-second-day-etc