possibility of a fuzzy event

例句：

1. 1. Thepossibility of rain is increasing.
   雨的可能性正在增加。
2. 2. There's a possibility that shemight come to the party.
   她有可能来参加聚会。
3. 3. The scientist has a high possibilityof success.
   这位科学家有很大的成功可能性。