Upgradeability
n. 可升级性；升级功能
🗣️ 情景例句
When they come out, we'll get it.
一出来， 我们就会拿到手。
I remenber the boy whose father owns a lake.
我记得那个男孩的父亲有一个湖。
They could be saved so much misery and expense if they chose to live in the city where they rightly belong.
要是他们愿意住在本来属于他们的城市，则可以让他们省去诸多不便与节约大量开支。