题目内容：

为啥it is some time since与it has been some time since没区别谢谢了,

优质解答

我觉得还是有区别的：It is some time since 是“做某事已经有一段时间了,近似现在时,是现在还在发生的动作”而“it has been some time since ”虽然也翻译为做某事有一段时间了,但指的是过去的动作,也就是说现在已经没发生了,停止了