jùcān jiéshù shí, yǒurén qiǎng zhe mǎidān, bù yídìng shì zhēnde yào zhēng dào zuìhòu

聚餐结束时，有人抢着买单，不一定是真的要争到最后。

When a dinner gathering ends, someone rushing to pay the bill doesn't necessarily mean they really want to fight for it to the end