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
Where exactly is it?
到底在哪里？
Don't you think we should add a sentence here like this?
难道你不觉得我们应该在这儿加上一句话？
Yes, Mom! I'll do it right away.
听到了，妈妈！我这就去。