Some topics may be skipped completely and others may be included if needed.

之中一些内容可能被完全省略过，如有必要另外一些可能会加进去。

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These may be skipped if you do not have the disk space or don't need to download them.

如果没有足够的硬盘空间或者不需要下载它们，那么可以跳过它们。

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This mission may be skipped. Be sure to turn in enough crystals to be able to get the next mission if you choose to skip this one.

这个任务可以跳过。如果你想跳过必须确信有足够的水晶打开它。

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