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inquiry; query; enquiry
問い合せの件について折り返しご連絡します。
I will get back to you regarding your inquiry.
問い合せフォームに必要事項を記入した。
I filled in the required information on the inquiry form.
多くの問い合せが寄せられたので対応に追われた。
We were swamped dealing with the many inquiries that came in.