2025-04-21发表2025-07-09更新ruby几秒读完 (大约20个字)mac系统15安装低版本rubyhttps://stackoverflow.com/questions/69012676/install-older-ruby-versions-on-a-m1-macbook 12brew install rbenvRUBY_CFLAGS="-w" rbenv install 2.7.4