hc案：根據( Cambridge Advanced Learner's Dictionary)：
GI (noun [C] INFORMAL):a soldier in the
used to show what is providing financial support or an income:
I've only got £50 a week to live on at the moment.
He retired on a generous pension from the company.
UK She's on (= earning) £15 000 a year.
GI Bill Originally GI Bill of Rights. Financial assistance provided to people who have or are serving in the military for educational and home purchasing purposes. Administered by the Department of Veterans Affairs.