By default, this type of alignment puts three pixels of space between the items.

默认情况下，这种类型的对齐在项目之间放置三个像素的间隔。

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The size of a derived class is the size of the base class plus the additional members defined by a derived instance (and any extra space required for alignment, as discussed earlier).

派生类的大小等于基类加上派生实例定义的其他成员（以及对齐所必需的任何额外空间 — 如前所述）的大小。

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If widgets are used, minimize and match their sizing to surrounding screen elements such as text, to avoid excessive consumption of space, awkward alignment, and line spacing problems.

如果使用了小部件，请将其最小化到与周围的屏幕元素(例如文本)大小相匹配，以避免过度占用空间、糟糕的对齐问题和行间距问题。

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