用英语怎么说精华

In English, "精华" can be translated to "essence" or "elixir." This word originated from the concept in alchemy of a substance that is highly concentrated and contains the essential properties of a substance. Here are some example sentences in English and their translations in Chinese:
The essence of the plan is to reduce costs and increase efficiency.
这个计划的精华是降低成本和提高效率。
The elixir of youth is a myth that has been pursued by many people throughout history.
青春的精华是一个被许多人追求的神话。
The perfume is made with the finest essences of rose and jasmine.
这款香水由最优质的玫瑰和茉莉的精华制成。