If there is no icon defined in the profile, the icon corresponding to the metaclass extension will be used.

如果在这个配置文件中没有定义图标，这个对应元类扩展的图标就会被使用。

youdao

In horror, I repeatedly hit the refresh icon with no success.

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There's no trash-can icon available when operating in the photo function.

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Folders are represented by a smaller grid of icons within a single app icon space, with no other identifying characteristic, which makes them a bit hard to pick out amidst the sea of apps.

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