Upgradability
n. 可升级性；升格能力；提升能力
🗣️ 情景例句
I know it's Malcolm Stewart.
我就知道是Malcolm Stewart。
When in doubt, play trumps.
举棋苟不定，何妨将一军。
Well, I don't think any of them is interesting.
我认为哪个都没意思。