I understand. 和 I do understand. 有什么区别.

I understand. 和 I do understand. 有什么区别. I didn't understand和I don't understand有什么区别 I do not understand! I do not understand I do only oneself understand什么意思? I do not understand love understand和.perceive 有什么区别 do you understand English. I do not understand chinese langu did you understand 和 do you understand 的用法区别 I do not think you understand my do you understand what I said? you do not understand how i feel