Rona
abbr. 净资产回报率（return on net assets）
🗣️ 情景例句
Can we? When?
行吗 ？什么时候？
Sorry. Were you trying to sleep?
对不起。你想睡觉吗？
The sun was shining and the sky was crystal clear.
阳光闪烁，天空湛蓝。