Rona
abbr. 净资产回报率（return on net assets）
🗣️ 情景例句
I'm very proud of you.
我为你感到非常骄傲。
The shortest answer is doing.
最简短的回答是做。
He was just falling asleep when there was a loud knock at the door.
他刚要入睡，就有人很响地敲门。