"31 years later" is a phrase that refers to a point in time that is 31 years after a specific past event. It is commonly used to describe the passage of time or to mark the anniversary of a significant event.

The phrase "31 years later" can be used in a variety of contexts, such as when discussing the progress or changes that have occurred over a period of time, or when reflecting on the passage of time and the impact that a particular event has had.

For example:

"I can't bepeve it's been 31 years since we graduated from high school. Time really fpes." (过了31年了,我们高中毕业已经这么久了。时光真快。)
"The company has come a long way since it was founded 31 years ago. Back then, we only had a few employees and a small office, but now we have a global presence." (这家公司成立了31年,发展非常迅速。当时我们只有几个员工,一间小办公室,现在我们已经拥有全球业务。)