n.永久；持久

We no longer talk of the permanence of marriage. 如今，再沒有人說婚姻要天長地久了。

We believe the permanence of the sun. 我們相信太陽的永恒。

The spoken word is immediate but lacks permanence. 口頭之言便捷，但缺乏持久性。

Consumption was affected by permanence income which is determinant. 持久收入是影響消費的決定因素。

n.非永久性；暫時性