✔ 最佳答案
There is no such thing as a free lunch in this world.
It is a need to work oneself without depending on others or magic.
OR
There is nothing that we gain in world if we do not work for it.
As the saying states "You reap what you sow", everything happens to us is a result of our own actions without depending on others or even magic.
**"There is no such thing as a free lunch" is a saying.
It is often used nowadays for the meaning of if someone gives you something, they always expect you to give them something or to do something for them.
In another word, someone must work for it in order to gain something we want.