Speed was of the essence in a project of this type.

速度在一个这种类型的项目中至关重要。

Hurry up! Time is of the essence.

赶快！时间是至关重要的。

Time was certainly of the essence.

时间肯定是至关重要的。

In real life, time isn't always of the essence.

而在现实生活中，时间并不总是最重要的因素。

I think speed is of the essence in this market.

我认为在这个市场上速度是第一位的。