本规定即日生效。
This rule takes effect today.
this or that very day; in the next few days
Every character draws itself, stroke by stroke. Then grab the brush: trace it yourself and hear the word when you finish.
Nice writing!
Chinese words snap together like bricks. Every word below shares a character with this one, so you are already halfway to knowing it.
本规定即日生效。
This rule takes effect today.
他即日出发。
He sets off that same day.