那些音乐会门票下周之前都售罄了。

Those concert tickets are ___unavailable until next week.

我试图预订一个房间，但它们全都被订满了。

I tried to book a room, but they were all ___unavailable.

由于需求量很大，新款型号目前暂时缺货。

Due to high demand, the new model is currently ___unavailable.