be connected ((with));be related ((to))
- これはそれとは何の関連もありません
- This has 「no connection [nothing to do] with it.
- 植物の成長は天候と深い関連がある
- The growth of plants is closely 「connected with [related to] the weather.
- 今言われたことに関連して思い当たる節があります
- I am reminded of something 「related to [in connection with] what you said just now.