Some properties are required, some are optional. Some have simple string values, some are complex resources.

一些属性是必要的，一些则是可选的。一些只是简单的字符串值，一些则是复杂的资源。

youdao

All the platforms are clearly designated, and while you may be able to explore the broader world, and while some portions of most dungeons are optional (such as loot-filled treasure-chests) for the most part you have to stick to a path clearly set out for you.

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