Agents of production
[经] 生产要素
🧩 词语组成解析
n. 间谍；代理人；代理商；特工人员（agent的复数形式）
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
🗣️ 情景例句
They have an opening.
他们有一个空房间。
He was anxious about his son's safety.
他担心他儿子的安全。
The daily exercises lasted only eleven minutes and I proposed to do them early in the morning before anyone had got up.
早锻炼一共只有11分钟，我打算在别人起床之前进行。