从另一方面说，如果你需要CD光驱或DVD光驱内置的笔记本，尽量要一个高速的从光驱上被数字跟随的“x ”可以看出来。
On the other hand, if you will need a CD drive or a DVDdrive built into your laptop, try to get one with a fast speed indicated by the "x" followed by a number on the drive.
从另一方面说，如果你需要CD光驱或DVD光驱内置的笔记本，尽量要一个高速的从光驱上被数字跟随的“x ”可以看出来。
On the other hand, if you will need a CD drive or a DVDdrive built into your laptop, try to get one with a fast speed indicated by the "x" followed by a number on the drive.
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