1、It's a theoretical possibility.这是理论上存在的可能性。
2、We cannot discount the possibility of further strikes.我们不能低估再次发生罢工的可能性。
3、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。
by any possibility，例句If I could by any possibility manage to do it， I would.
