项目中任何“可移动对象”都将增加发现必须解决的问题的风险。

Any "immovable objects" in the project will add to the risk that an issue is discovered and must be worked around.

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例如，假定您正在编写一个游戏程序，并为每一个可移动对象维护了一个列表，与此同时，还运行着与游戏线程无关的可移动线程。

For example, suppose you are programming a game and for this game, you maintain a list of every drawable object and have the drawing thread running independently of the game thread.

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Modal Dialog对象表示一个可移动的浮动视图。

A Modal Dialog object represents a movable floating view.

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