例句與造句

1. an invalid document example would be
   無(wú)效文檔示例是：
2. mind you, just enforcing the constraints doesn t make an application programmer write correct code; but at least any bad code that would result in invalid documents is caught at compile time
   需要提醒的是，僅僅加強(qiáng)約束并不能使一個(gè)應(yīng)用程序程序員編寫出正確的代碼；但至少在編譯時(shí)就捕獲了可能導(dǎo)致無(wú)效文檔的任何錯(cuò)誤代碼。
3. It's difficult to find invalid document in a sentence. 用invalid document造句挺難的