Upgradability
n. 可升级性；升格能力；提升能力
🗣️ 情景例句
Philip, why don't you go
Philip 你何不去
I'm sorry, but I didn't understand your question. Could you please restate it?
对不起，你的问题我没有理解，请你再说一遍好吗？
Waves are the children of the struggle between ocean and atmosphere.
海浪是大海和空气相斗的产物。