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
He has had various experiences in his life.
他的生活经验丰富。
What kind of climate do you have?Is it cold?
你们那里的天气怎么样？很冷吗？
Who served you, sir?
是谁接待您的，先生？