essences
The essence of something is its basic and most important characteristic that gives it its individual identity.
The essence of consultation is to listen to, and take account of, the views of those consulted.
咨询的本质是倾听并把那些被咨询者的观点考虑进来。
Essence is a very concentrated liquid that is used for flavouring food or for its smell.
a few drops of vanilla essence.
几滴香草精油。
in essence
You use in essence to emphasize that you are talking about the most important or central aspect of an idea, situation, or event.
Though complicated in detail, local taxes are in essence simple.
虽然地方税细节复杂,但在本质上是简单的。
of the essence
If you say that something is of the essence, you mean that it is absolutely necessary in order for a particular action to be successful.
Speed was of the essence in a project of this type.
速度在这种类型的项目中至关重要。