Rona
abbr. 净资产回报率（return on net assets）
🗣️ 情景例句
I can't figure out why he quit his job.
我不能理解他为什么要辞职。
Competition between bidders for this valuable painting has been keen.
拍卖时各出价对这幅名画竞争很激烈。
they do not make the further intellectual
但他们没有进一步努力