probability和possibility的区别：含义不同、用法不同、强调重点不同。probability作为名词，含义为“可能性、概率、几率”，是指不具有发生的可能性；possibility作为名词，含义为“可能、机会、可选择的方法”，强调有发生的可能性。
一、probability的含义及用法
probability作为名词，意为可能性;概率;几率;或然性;很可能发生的事;或然率。
例句：The probability is that prices will rise rapidly.
物价有可能会迅速上升。
It now seems a probability rather than just a possibility.
这件事似乎十拿九稳，而不是仅有可能。
There's an excellent probability that unless action is quickly taken, pipes will freeze...
除非立即采取行动，否则管道很有可能冻住。
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。
A fall in interest rates is a strong probability in the present economic climate.
在目前的经济形势下，降低利率大有可能。
If the pool was open, we'd in all probability still be swimming in it
如果游泳池还开着，我们完全可能还在里面游泳。
If the pool was open, we'd in all probability still be swimming in it
如果游泳池还开着，我们完全可能还在里面游泳。
二、possibility的含义及用法
possibility作为名词，意为可能;可能性;可选择的方法;机会;契机。
例句：There is now no possibility that she will make a full recovery.
她现在已不可能完全康复。
Selling the house is just one possibility that is open to us.
卖掉房子只是我们可以选择的其中一种做法。
The house is in a bad state of repair but it has possibilities.
这房子虽亟待修缮，但仍有可资利用的价值。
Bankruptcy is a real possibility if sales don't improve.
如果销售情况得不到改善，真有破产的可能。
It now seems a probability rather than just a possibility.
这件事似乎十拿九稳，而不是仅有可能。
