in the cafeteria和at the cafeteria的区别

in the cafeteria释义：

在食堂里

例句：

Hot and cold food is available in the cafeteria.

自助餐厅有冷热食物供应。

at the cafeteria释义：

在自助餐厅

例句：

Washing dishes at the cafeteria every day is really boring.

每天在自助餐厅洗盘子真的很无聊。