Japanese phrase
___で参加しませんか？ ___ de san ka shi ma se n ka
Meaning
Would you like to participate in ___?
When to use it
Politely invites someone to take part in an activity. The expression before the particle can show the place, method, or group involved.
Example dialogue
明日の勉強会はオンラインで参加しませんか？ asu no ben kyō kai wa o n ra i n de san ka shi ma se n ka
Would you like to join tomorrow's study group online?
いいですね。家から参加します。 i i de su ne ie ka ra san ka shi ma su
Sounds good. I will join from home.