“概括地”的英语？

我们的历史教师总爱概括地讲, 从不详述任何史实.Our history teacher is always generalizing; he never deals with anything in detail.他概括地说了整个情况.He had put the whole situation in a nutshell.有必要概括地讲一下有关的高斯公式.It will be useful to summarize the relev...