The click - and - drag operation is also the basis for group selection.

如图 19-5 所示,单击和拖动操作也是成组选择的基础.

About Face 3交互设计精髓

We're all convinced, really are certain altruistic behaviours which only appear under conditions of group selection.

我们都被说服了, 真的:某些特定的利他行为只有在群体选择的条件下才会出现.

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