两个英语句子的差别~~英语高手请进~~~More than 30 persons have had operations to receive man-made artificial hearts. 和 So far more than 30persons have received man-made artificial hearts.有什么意义上的区别么?
问题描述：
两个英语句子的差别~~英语高手请进~~~
More than 30 persons have had operations to receive man-made artificial hearts. 和
So far more than 30persons have received man-made artificial hearts.有什么意义上的区别么?
答
时态是一样的.意义上没有什么区别.只能说后面这句有明确的时间范围（so far）.不过为什么说没区别呢,因为我们都知道现在完成时的应用时间范围也是直到目前的.你可能想说had operations to receive 和have received ...