修士号でも年収300万円台　非常勤講師の男性「まるで捨て駒」

“Even with a Master’s Degree, Annual Income Remains in the 3 Million Yen Range,” Says Part-time Lecturer: “Feels Like Being Treated as Disposable Pawn”

引用元(reference)：https://mainichi.jp/articles/20240302/k00/00m/030/058000c

意味：全体のために使い捨てにされてしまう人や組織。捨て石。

Meaning:　People or organizations that are discarded for the sake of the whole. Disposable pawns.