What does 'virtual limit' mean?
Hello! Can someone tell me what does virtual limit actually mean? I read it from a book called "Fluency in English".

But the chances are against it, and there is a virtual limit on how long we can hope to remain alive, however lucky and robust we are.

Thank you in advance.

Question

What does 'virtual limit' mean?
Hello! Can someone tell me what does virtual limit actually mean? I read it from a book called "Fluency in English".

But the chances are against it, and there is a virtual limit on how long we can hope to remain alive, however lucky and robust we are.

Thank you in advance.

Answer

You can think of 'virtual limit' as a practical limit. 
It may not be fully impossible, but it is SO close to impossible that we call it 'virtually impossible'. If this is the case you can call something a 'virtual limit', but its not a very common expression.

In the example above the writer is saying no matter how far we advance there will always be some limit on our lifespan.

Answer

virtual means-almost,but not exactly or in every way.

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