necessary to

基本解釋

I feel it necessary to make a correction.
我認為有必要修正一下。
In the meantime, let us study things which are no more. It is necessary to know them, if only for the purpose of avoiding them.
在此期間，讓我們研究研究那些已經(jīng)不存在的東西，認識那些東西是必要的，即使僅僅是為了避開它們。
Yet they find themselves stumbling on simple tasks, all because they do not have the foundation necessary to fully understand or utilize the framework.
然而，他們發(fā)現(xiàn)在完成簡單任務(wù)時就磕磕絆絆，這都是因為沒有必要的基礎(chǔ)知識來完全理解和使用框架。

I might say I touched all the bases if I did what is necessary to complete a job or activity.
And what we saw last time is that this was necessary to make things work, this part of it in particular.
上節(jié)課我們講,這是對外做功的必要條件，特別是這個部分。
麻省理工公開課 - 熱力學與動力學課程節(jié)選
Why is it necessary to rend something, to make it soul or whole? Is it necessary?
為什么要撕破某樣東西，它才能完美呢，這有必要嗎？
耶魯公開課 - 現(xiàn)代詩歌課程節(jié)選

The Myth Of Stars 06.12.02 Movie stars are absolutely necessary to launch a hit picture.
FORBES: Hollywood's Bottom Line

necessary problem to resolve 必須解決的問題
Necessary items to bring good 要帶好所需的物品
Take the necessary measures to 采取必要措施
A necessary alternative to farming 另一個必要向農(nóng)業(yè);一個必要的替代農(nóng)業(yè);農(nóng)業(yè)必要替代
necessary to weigh 必須權(quán)衡;要權(quán)衡;要衡量