If so, why does the book of Joshua provide such a different account, one of outside conquest by means of a war led by the hosts of the Lord?

若这样，为什么《约书亚书》中是完全不同的描述，是由上帝所带领的外部侵略战争？

耶鲁公开课 - 旧约导论课程节选

It's just hard to keep track of them at first but they all generally mean the same thing, provide additional input to this program called GCC by just specifying it on the command line.

刚开始是很难理解这些词的,但其实都是一个意思，所以，只要在命令行上为这个程序,再添加一个名曰GCC的输入就OK啦。

哈佛公开课 - 计算机科学课程节选