Upgrading
v. 升级；提高品位（upgrade的现在分词）
✅ 同义词
🔴 反义词
🗣️ 情景例句
which has been vacant for over a year now,
已空了一年多，
She likes to keep up with the latest fashion.
她喜欢赶时髦。
It's his problem, not yours. Try not to worry.
这是他的问题，而不是你的。尽量不去操心。