1, the CD marked with RW can be erased repeatedly, but there is a limit on the number of uses.

2. Compared with erasable optical disk, erasable optical disk can be erased and reused many times. At present, DVD-RW and DVD-RAM are the common formats of erasable optical discs on the market. This kind of CD can be used like a USB flash drive, that is to say, it can be deleted, and the capacity of the CD will be restored to the initial value after deletion.

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