I think it's common for young people to not understand: your employer is not on your side.
You are making a legal contract which your employer is trying to extract a maximum amount of profit from, while passing on risk, and has more experience and understanding of how to negotiate to that effect.
You are making a legal contract which your employer is trying to extract a maximum amount of profit from, while passing on risk, and has more experience and understanding of how to negotiate to that effect.