The first thing is introduce the variety.

第一个方法是变着来做。

Now I'd like to briefly introduce to you varieties of English. From around 1600, the English colonization of North America resulted in the creation of a distinct American variety of English.

现在我想向大家简要介绍各种英语。从1600年左右开始，英国对北美的殖民导致了独特的美国英语品种的产生。