為ため筋すじ

noun

valued customer; profitable customer

Business term for a customer who brings significant profit or value to a company. Often used in sales and marketing contexts.

• この店みせの常じょう連れんはみんな為ため筋すじだ。

  All the regulars at this shop are valued customers.

• 営えい業ぎょう部ぶは為ため筋すじを大たい切せつにしている。

  The sales department cherishes its profitable customers.