This is the 2076th most frequent Chinese word.
六十
"Sixty."
In this sentence, '六十' is used to represent a specific quantity, indicating the duration of sixty years to convey the length of time worked.
我已经工作了六十年了。
I have already worked for sixty years.
Here, '六十' serves as a numeral to specify an amount, describing the monetary value assigned to the price of the book.
这本书的价格是六十元。
The price of this book is sixty yuan.
In this instance, '六十' indicates a countable quantity, referring to the number of individuals attending the given event.