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
It was very thoughtful of you to send flowers.
你送花来，想得真周到。
Take it. Otherwise you can't go on the trip.
喝了它，不然你不能继续旅行了。
Towards midday, a girl heard a muffed cry coming from behind on of the walls.
快到中午的时候，一个女售货员听见从一堵墙里传出一种闷声闷气的叫声。