This is the 758th most frequent Chinese word.
必然
Inevitable; certain.
Here, '必然' is used to express something that is bound to happen due to circumstances.
这次的成功是必然的,因为我们付出了很多努力。
This success is inevitable because we put in a lot of effort.
Here, '必然' conveys a predetermined or unavoidable nature of a process or event.
他认为,社会的发展方向是必然的,不会因为个人的意愿而改变。
He believes that the direction of societal development is inevitable and will not change because of an individual's wishes.
In this case, '必然' describes a result that logically follows or is assured given the conditions.