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
Oh, I'm so happy, Harry!
噢， 我太高兴了， Harry！
It is better to fight for good than to rail at the ill.
与其抱怨，不如积善。
We're having a lot of trouble filling this order.
我们这次供货很有问题。