Rona
abbr. 净资产回报率（return on net assets）
🗣️ 情景例句
And have you had an engineer come in to do an inspection?
你们可有一个工程师来做过检查吗？
Would you please pass the salt?
请您递给我盐。
These alone took sixteen months to build.
仅这两座塔就花了16个月才建成。