free ride

The state university offered him a free ride for all four years of college—his football scholarship would cover tuition, room and board, and other expenses.州立大学给他提供了四年的免费学习——他的美式橄榄球奖学金将能负担学费、食宿及其他费用。

companies getting a free ride at the taxpayer's expense坐享纳税人的钱的公司