The caller fetches the current state of the item from the repository and creates an in-memory working copy based on the state retrieved.

调用者从存储库中获取该项的当前状态，并基于检索到的状态创建一个内存中的工作副本。

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Session stores a copy of an item in the cache for each session (memory only).

会话在缓存中为每个会话存储一个条目的副本(仅内存)。

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User stores a copy of an item in the cache for each user.

用户在缓存中为每个用户存储一个条目的副本。

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You can plug in the actual cost for an item, if you have a receipt (or can get a copy of one from the previous owner), or pick among price ranges the software generates based on national market surveys.

FORBES: Depreciate It