VERB
斷言；申明；堅持聲稱
If you affirm that something is true or that something exists, you state firmly and publicly that it is true or exists.
例句
The House of Lords affirmed that the terms of a contract cannot be rewritten retrospectively.
上議院申明合同條款改寫后不具備追溯效力。
...a speech in which he affirmed a commitment to lower taxes...
他作出減稅承諾的演講