例句與造句

1. What makes this challenge particularly difficult with multi - tier j2ee systems where j2ee application code contacts a database using jdbc , sqlj , or cmp beans is that , traditionally , the end user s identity information is lost
   使得此挑戰對于多層次j2ee系統（其中的j2ee應用程序代碼會訪問數據庫使用jdbc 、 sqlj或cmp bean ）特別困難的是，最終用戶的標識信息通常會被丟失。
2. It's difficult to find coding contact in a sentence. 用coding contact造句挺難的