Has not been difficult,then does not have attains什么意思

Not been before, has been lost.是什么意思 she has not been around this week Where to go tomorrow has not been A assette tape which has not been He has not been back yet This transaction has not been submitted 为什么是has not been decided Feeling has been wrong,I can not Has always been freewheeling has not changed是什么意思?请教下 this has not been easy.中has not been什么意思?怎么来的?具体点 We can not be afraid of difficu lties .We must face the c____.急 求 what has been done can not be undone The heart has never been injured...The injury will not! Your account has not been activated.Please check your e audio in this system has not been enabled什么意思 Your life really has not been a very lonely是什么意思 That has not always been the case with presidential transitions A cassette tape which has not been played.的中文翻译