Upgradable
a. 能提到更高一级标准的(=upgradeable)
🗣️ 情景例句
No smile, no surprise.
不笑 ，就没有惊喜。
If you can be well without health you may be happy without virtue.
如果不健康而能强强壮壮，那么无美德也可快快乐乐。
Yes, it is, she said. And who are you, anyway?
不，是我的名字啊，她说，而你到底是谁呀？"