Quadriennum utile
[法] 四年有效期
🧩 词语组成解析
a. 有用的；有益的
🗣️ 情景例句
That sounds reasonable. Let me think it over. And I'll call you back to make reservations.
听起来价钱还算公道。让我考虑一下，我会再打电话预定。
Are you in touch with him now?
你现在和他有联系吗？
The pie committee decided that the best way to transport the dish would be by canal,
馅饼委员会确认运输这只盘子的最佳方案是通过运河水运。