necessary to

基本解釋

I feel it necessary to make a correction.
我認(rèn)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(rèn)識(shí)那些東西是必要的，即使僅僅是為了避開(kāi)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(jiǎn)單任務(wù)時(shí)就磕磕絆絆，這都是因?yàn)闆](méi)有必要的基礎(chǔ)知識(shí)來(lái)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(duì)外做功的必要條件，特別是這個(gè)部分。
麻省理工公開(kāi)課 - 熱力學(xué)與動(dòng)力學(xué)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?xùn)|西，它才能完美呢，這有必要嗎？
耶魯公開(kāi)課 - 現(xiàn)代詩(shī)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(wèn)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(gè)必要向農(nóng)業(yè);一個(gè)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