✔ 最佳答案
會在某時間後流失
The book will said that it can be store forever
But trust me
Most of the CD will lost their data easily
Half to Two year
If you read the disc every 3 month
They will not be lost
Why?
I don't know
So of the more expersive one may and store for 5 years but if you dont keep it in some where not humid,they will lost sometime
A lot of my disk lost data but cant write again in 2 years