我的目的是帮助我们了解美国的历史，希望由历史中学习，从好的与不好的事例中获得益处。

My purpose is to help us understand what has happened in America, hoping that we may learn from the past, benefiting from both the good and bad examples we find in American history.

youdao

有人认为历史学习没有用处，有人认为学习历史帮助我们认识现在，讨论两种观点，给出你的意见？

Some people think that the study of history is of little use to us. Others believe that studying history helps us to know the present. Discuss both viewpoints and give your own opinion.

youdao

有人认为历史学习没有用处，有人认为学习历史帮助我们认识现在，讨论两种观点，给出你的意见？

Some people think that the study of history is of little use to us. Others believe that studying history helps us to know the present. Discuss both viewpoints and give your own opinion.

youdao