Tariana, from Brazil, has " evidentiality" : speakers choose one of five verb-endings to show how they know what they aver to be true.

说话者从五个动词尾中选择一个来表明他们知道自己所断言的是正确的。

In answering his title's provocative question, Mr Dixon finds that requiring distinctions (formal or informal " you" , inclusive or exclusive " we" , evidentiality), is useful.

迪克森发现，在回答题目中提出的这个颇具争议的问题时，要求区分(实据，正式或非正式的“你”、包括听讲者或不包括听讲者的“我们”)是有用的。