上海新思考电机:I just can not afford to miss such a good opportunity,英译汉，为什么？

Things done can not be undone，I just kidding! I just can not afford to miss such a good opportunity,英译汉，为什么？ I just can*t Believe it I can not control myself.什么意思? I can not( ) afford a new car. I CAN NOT STAND YOU是什么意思? I can not spare the time. JUST WANT TO CHECK HOW I CAN SIGN IN? I can just reckon on your help怎么翻译？ Help me! Help me! Why I can not type Chinese?How can I do?