Once you choose Flashlight, look at the previewwindow and you'll see a small spotlight in the center of your image.
当你选择手电筒效果后，在预览窗口中应该可以看到你的图像中间会一个小的聚光灯。
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Instead, it would be better to display a short but meaningful label, and to display a previewwindow containing the full replacement text, as soon as a specific style proposal is selected.