mid-15c., "quality of being probable," from Old French probabilite (14c.) and directly from Latin probabilitatem (nominative probabilitas) "credibility, probability," from probabilis (see probable). Meaning "something likely to be true" is from 1570s; mathematical sense is from 1718.
实用例句
1. Formal talks are still said to be a possibility, not a probability.
据称正式会谈仍有可能，但可能性不大。
来自柯林斯例句
2. The probability is that prices will rise rapidly.
物价有可能会迅速上升。
来自《权威词典》
3. The probability that it will rain today is high.
今天下雨的可能性很大.
来自《简明英汉词典》
4. In all probability, we shall be away for a month.