It does allow an empty Nil list, however.
不过它确实允许一个空的nil列表。
(It does allow an empty Nil list, however.)
(不过它确实允许一个空的nil列表。)
However, nil is an actual object.
然而与之不同的是，nil是作为一个对象存在的。
My foreign language skills were nil, so it had to be an English-speaking country.
我当时的外语水平完全是个零，因此能去的只能是说英语的国家。
IsUsableAction (slot) - Return 1 if an action can be used at present, nil otherwise.
如果该动作可以马上被使用，返回1，否则返回空。
IsAutoRepeatAction (slot) - Return 1 if an action is auto-repeating, nil otherwise.
如果指定动作可以自动重复，返回1，否则返回空。
IsCurrentAction (slot) - Return 1 if an action is the one currently underway, nil otherwise.
如果指定动作正在进行中，返回1，否则返回空。
Indicates if an explicit nil value can be assigned to the element.
指示是否可以为元素赋予显式零值。
Our immediate capacity for an offensive was nil.
我们尚无立刻进攻的时机。
Our immediate capacity for an offensive was nil.
我们尚无立刻进攻的时机。
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