Validity of bids
[经] 投标有效期
🧩 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];
abbr. 商业智能开发工具集（Business Intelligence Development Studio）；本迪克斯综合数据系统（Bendix Integrated Data System）
🗣️ 情景例句
Certainly.
当然可以。
His confidence can be destroyed by a harsh word.
他的信念，只要受到严厉的批评就会崩溃。
'You see.I've forgotten my key.'
“您瞧，我忘带钥匙了。”