For example, if the system crushes in such a way that FAT tables get corrupted you will lose access to all your files, because FAT table tells where each file is located on the disk.

• 例如，如果FAT表损坏后，系统崩溃，你将无法访问你的文件，因为损坏的FAT表无法告诉你每个文件究竟在哪个位置。