「M记」是什么意思？

一家连锁快餐，标志是一个大大的黄色的M。薯条非常好吃，汉堡也不错。咖啡比较难喝。副业是繁华地段的公共厕所。

ENA fast food chain with a big yellow M as its logo. The fries are delicious, and the burgers are not bad. The coffee is relatively bad. Its side business is a public toilet in a prosperous area.