英语词汇量非常大，有超过70万的词汇，但只有一小部分是常用词汇。

The English language has a very large vocabulary, over 700,000 words, but only a small part of it is used by ordinary people for ordinary purposes.

youdao

第四章是常用词研究，我们选取其中的十组词来研究《六韬》中常用词的使用状况，力求有助于古代汉语常用词的深入地认识与瞭解。

Chapter IV is the common term study, we select the ten words to study YHL status in the use of commonly used words, seek the ancient Chinese words have in-depth knowledge and understanding.

youdao

许多人说，上海房价的上涨是故事情节中悲剧性事件的根源，“房奴”一词已成为描写海萍这类人的常用词。

Many argue that Shanghai's rising property prices are at the root of the tragic events in the storyline, and the term "house slaves" has become a popular slang term to describe people like Haiping.

youdao

Another common term is a "stock dividend."

还有一个常用词是"股票股利"

耶鲁公开课 - 金融市场课程节选