Perpetuities
(perpetuity 的復數) n. 永久, 不朽, 終身職位, 終身任期, 永久使用權\\n[經] 永續年金, 終身年金
??? 情景例句
Does he have a middle name?
他有中間名字嗎？
The end of next month looks like the most probable sales date.
下個月底好像是最佳的銷售日。
They come in cases of five.
它們是五個一箱。