time of the essence

基本解释

The goal is for a soldier to forge alliances in unknown territory where every move is being carefully watched, time is of the essence and a faction is very much interested in the soldier's failure.
培訓的目的是讓軍人在一個不熟悉的國家尋求到盟友，在那種環境下，每一步都必須小心應對，時間至關重要，而內訌往往導致任務失敗。
When time is of the essence, we cannot afford to have the life-saving supplies going to the wrong places.
時間就是生命，我們不可以將拯救生命的用品調運到錯誤的地方。
When time is of the essence, try importing a single compressed file.
如果時間很重要，則盡量導入單個的壓縮文件。

"Well,this is critical," "The risk of defeat goes up during this time because you have got, in essence,a political campaign.
Remember last time, I said that there's different kinds of complexity in our code, and I suggested for simple branching programs, the amount of time it takes to run that program is, in essence, bounded by the number of instructions, because you only execute each instruction at most once.
但是這裡有個很重要的點,記得上節課，我提過在我們的代碼中，有不同種類的複襍度，而且我還說了對於簡單的分支程序,運行這種程序需要的縂躰時間,大躰上，是和指令的數目相關的,因爲每個指令衹會被執行最多一次。
麻省理工公開課 - 計算機科學及編程導論課程節選
This is the essence of this case. We will try to remind all the time that this is the issue, this is the topic.

Yes, we're telling you to add in a lot of features, but time is of the essence, and the next generation of TiVo hardware with tru2way support needs to hit shelves soon.
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