Stacks
n. 堆叠；进程堆栈应用；书库（stack的复数）
🗣️ 情景例句
The teacher flunked him in geography.
老师给他的地理打不及格。
Not that long.
不太长。
Whichever you choose, you won't be satisfied.
不论你选择哪一个，你都不会满意。