Japanese phrase
___は何が必要ですか？ ___ wa nan ga hitsu yō de su ka
Meaning
What do you need for ___?
When to use it
Asks what is needed for a particular purpose. It is a polite question used in practical situations.
Example dialogue
旅行には何が必要ですか？ ryo kō ni wa nan ga hitsu yō de su ka
What do you need for a trip?
パスポートが必要です。 pa su pō to ga hitsu yō de su
You need a passport.