Note: When you convert a layer into a smart object, you can no longer edit it directly (e. g., you can't use the Brush Tool to paint on the layer).

注意：当你转换一个图层为智能对象，你就不能再直接编辑它了(举例：你不能用画笔工具在图层上涂抹)。

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Photoshop Lightroom 5, which is available as a free public beta beginning today, brings features like Smart Previews and an Advanced Healing Brush to the table, delivering access to tools previously only available with full versions of Photoshop.

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