stały niezmienny in English:

I know that interest rates are fixed in accordance to the borrower's business risk.

I'm glad that they fixed the heating system, but now it's too hot.

They developed a special computer system and fixed it to his wheelchair.

I am a flawed person, but these are flaws that can easily be fixed.

fixed price

As soon as you have the car fixed, please send me a letter with the cost. I'll send you the money.

Argument continues about the "White collar exemption" that exempts specific white collar workers from the "8 hours in 1 day, 40 hours a week," working hours fixed by the Labour Standards Act.

A budget is a plan or schedule adjusting expenses during a certain period to the estimated or fixed income for that period.

The number of fixed telephone lines per 100 people is 55 out of a 100.

stuck in a rut - become too fixed in one kind of job or situation in life

In many languages the way dictionary-form words end is fixed; in Japanese they end in a 'u row' character.

However he has to take it at fixed intervals, just one day without taking it is swiftly fatal.

Compile an essay on that topic within a fixed number of letters.

For code type locks that don't need a key there are 'free dial' systems where you can set any number you like and fixed types where the number is set in advance.

The house isn't huge and it's on about two-thirds of an acre, and when we first bought it I spent several hours every week getting the lawnmower fixed and cutting the lawn, in that order.

A permanent is extra.

Permanent peace is nothing but an illusion.

I hope their relationship will blossom into something permanent.

I'm hopeless at ironing so I buy permanent press clothes.

Power is temporary, Style is permanent...

Liberty, as we all know, cannot flourish in a country that is permanently on a war footing, or even a near war footing. Permanent crisis justifies permanent control of everybody and everything by the agencies of central government.

His permanent tooth is coming in behind his baby tooth.

EU finance ministers agreed on a permanent support system for distressed eurozone countries on Monday.

Nowadays, there are still a few groups of people in different parts of the world who do not have permanent homes.

Young people are in a condition like permanent intoxication, because youth is sweet and they are growing.

Instead of being here to work, you get the sense that he's simply a permanent fixture here.

I’ll help you now, but you must find a permanent solution to your problem.

Pauline’s job in the café isn’t permanent; it’s only for the summer.

Is it better to have boring but permanent job for life or a number of short-term jobs that you love?

The laws of physics are assumed to be immutable.

an immutable fact

My beliefs are not immutable, they may change in the futura.

This creates an immutable, unforgeable record of all of the transactions across this network. This record is replicated on every computer that uses the network.

This is an immutable truth.