Security of tenure
[经] 使用期保障
🧩 词语组成解析
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
Six months ago.
六个月以前。
Give me a ring at my office.
打电话到我办公室。
Let me explain why I was late.
让我解释迟到的理由。