raison
n. 雷森(姓氏)
例句
The existence of a thing more than two thousand years, will have its raison d'etre.
一个能存在两千多年的事物,必定有其存在的理由。
Value creation is a corporation's raison d'être, the ultimate measure by which it is judged.
价值创造是一个公司存在的原因,也是衡量一个公司的最终尺度。
Their raison d'être, after all, is the promotion of policies favored by their founders and sponsors.
毕竟,他们的目的还是为自己的投资者和赞助商的政策提供宣传。