基本解釋偶然性同根派生 unnecessities相關(guān)詞英漢例句Of course, there ar e still a lot of applications that need to be tailored speci fically to one RDBMS where a t ool like MDB just ads unnecess ary overhead and restrictions. 儅然，還是有許多程序需要對 RDBMS 進(jìn)行特殊剪裁 ，對於這種情況像 MDB 這樣的工具僅僅是增加了不必要的額外 負(fù)擔(dān)和限制。unnecessities更多例句