Nothing because they both refer to the same thing
You make a difference in the world.
They're opposites
Non Symmetric also Not Significant Depends on the context.
Depending on context, difference can be translated as:UnterschiedDifferenzVerschiedenheitAbweichungUnterschiedenheitStreit
Organizational context refers to the structure of a business and how it operates inside its doors. This includes all the work and communication among employees and clients.
The significant cultural issues affecting a story's setting or authorship.
It's difficult to know what you're asking about without context. The number 302.5 has four significant figures. Matthew, Mark, Luke and John are four significant figures.
They're opposites
Common difference, in the context of arithmetic sequences is the difference between one element of the sequence and the element before it.
Because your question has no context, in the sense that we do not know what the number 2071 refers to or how it was obtained, we will have to assume that all four of its figures are significant.
There is insufficient information for us to answer this question. Please edit the question to include more context or relevant information. For example, what kinds of crashes? If the country is likely to make a significant difference, then where?
regular language is easy to understand than context free language