time of the essence

基本解釋

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(xùn)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(huán)境下，每一步都必須小心應(yīng)對，時間至關(guān)重要，而內(nèi)訌?fù)鶎?dǎo)致任務(wù)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(diào)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(dǎo)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(jié)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(shù)目相關(guān)的,因爲每個指令衹會被執(zhí)行最多一次。
麻省理工公開課 - 計算機科學(xué)及編程導(dǎo)論課程節(jié)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.
ENGADGET: Ten years of TiVo: how far we haven't come