“特此承诺”翻译成英文怎么说?

“特此承诺”翻译成英文怎么说?
“特此承诺”翻译成英文怎么说?

“特此承诺”翻译成英文怎么说?
special consent
special promise

Hereby guarantee/promise that...

It is hereby undertaken that...

commit to this