这些空闲的座位还没有被分配到任何班级。

These ___unallocated seats haven't been assigned to any class yet.

我们保留了一些资金作为未分配的储备金。

We kept some funds as ___unallocated reserves.

这些办公桌目前尚未分配，可以自由选择。

These desks are currently ___unallocated and can be chosen freely.