plan on:
vt. 打算,計劃
This is my vacation plan onNational Day.
這是我的國慶出遊計劃。
plan for:
為……訂計劃
Do you have any plan for your vacation?
關於假期你有什麼安排嗎
She sketched out her plan fortackling the problem.
她簡要敍述瞭解決問題的計劃。