Japanese phrase
___はどう買えばいいですか？ ___ wa dō ka e ba i i de su ka
Meaning
How do I buy ___?
When to use it
Asks how to purchase something. It is polite and useful when the buying process is unfamiliar.
Example dialogue
切符はどう買えばいいですか？ kippu wa dō ka e ba i i de su ka
How do I buy a ticket?
駅の券売機で買えます。 eki no ken bai ki de ka e ma su
You can buy it at the ticket machine at the station.