質しつ量りょうともに

expression, adverb

both in quality and quantity

Used to emphasize that something excels or is sufficient in both aspects—quality and quantity—often in formal or written contexts.

• この製せい品ひんは質しつ量りょうともに優すぐれている。

  This product is excellent both in quality and quantity.

• 彼かれの研けん究きゅうは質しつ量りょうともに申もうし分ぶんない。

  His research is flawless both in quality and quantity.