.You are going away for such a long time.这句话怎么翻?

问题描述:

.You are going away for such a long time.这句话怎么翻?
是你将要离开还是已经离开?还有 are going away 是不是瞬间动词进行时表将来?

你要离开这么长的时间.
是将要离开,你的理解是对的.