be key to

基本解釋

Making this transition is thought to be key to the normal development of the brain.
在動態(tài)和靜態(tài)睡眠之間切換被認為對大腦正常發(fā)育很關(guān)鍵。
Understanding how a pathogen or humans are affecting the sturgeon could be key to conserving them.
了解一種病原體或人類是如何影響鱘魚的，對于保護它們是至關(guān)重要的。
In the end, we found consistency and frequent reviews to be key to success when presenting our use-case model to the customer.
最后我們發(fā)現(xiàn)當我們向客戶展示我們的用例模型時，一致的并頻繁的檢查是成功的關(guān)鍵。

Saying the difference between a sharp recession and a depression is a loss of faith, economist Mark Zandi said a restoration of confidence will be key to recovery.
Now I could have made a key, keys don't have to be strings, but as it happened, I didn't.
現(xiàn)在我可以建立一個鍵了，鍵并不一定是字符串，但這兒既然已經(jīng)是字符串了。
麻省理工公開課 - 計算機科學及編程導論課程節(jié)選
No. 2, we believe that young people have to be a key part of building that ethos One of the reasons for that is purely demographic.
其次，我們認為青年人,必須成為建立該社會風氣的主力,其中的一個原因,純粹是從人口統(tǒng)計學來考慮的。
普林斯頓公開課 - 人性課程節(jié)選

This is going to be key to growing our economy and helping businesses create jobs.
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