Look for tables with an open seat.

寻找有空位的桌子。

youdao

Of course, he had no choice but to send me to the one open seat in the middle of the room.

当然，他别无选择，只能让我坐到屋子中间那张唯一空着的座位上。

youdao

Two years later, however, Schiff ran for the state Senate in an open seat and won.

CNN: Treen, Vitter to face-off for Louisiana House seat

What will they be thinking about the results in Arizona, where there was an open seat?

NPR: Immigration Stands as Key 2006 Electoral Issue

Democrats would love to pick off this open seat, but the odds seem long.

CNN: A tight North Carolina Senate race