2, the usage is different, discrimination: it is mostly used to express discrimination and investigation. His handwriting is illegible. Debate: usually used to express the advantages of an argument. For example, if you are dissatisfied with the criticism of the other party, you should reply publicly.
3. "Defense" related words: sophistry and defense. Sophistication, pinyin: ji m: o bi à n means to make unreasonable things look reasonable, cover up the truth with falsehood and make unreasonable things reasonable. Example: You should be brave enough to admit what you have done wrong, instead of arguing blindly. Defend, pinyin: kàng biàn means to defend others' accusations. You can refute his unreasonable accusation.