immutability
🇺🇸
/ɪˌmjuːtəˈbɪləti/
🇬🇧
/ɪˌmjuːtəˈbɪləti/
something that cannot be changed or altered
The immutability of the contract条款 ensured that no alterations could be made after it was signed.
合同条款的不可变更性确保在签署后无法进行任何修改。