你点击扫描合同中的一个数字，但没有任何反应。没有光标，无法选中。页面看起来像文档，但表现得像照片——因为它本质上就是一张图片，屏幕上的每个字都是图片的一部分。没有可编辑的内容，因为这里没有文本，只有排列成文字样子的像素。 只有两件事仍然有效：你添加的任何内容（如签名、注释、标记或遮盖某内容的方框）仍会像往常一样叠加在最上方；此外，某些扫描件在图像背后已经包含了一个隐藏的识别层，这就是为什么它们可以被搜索。 让扫描页面具备更多可编辑性是我们目前正在推进的工作，而且难度很大；我宁愿这样告诉你，也不愿给你一个具体的时间表。详细解释（包括如何区分三种不同类型的页面）请参阅 Guides。🔎
You click a number in a scanned contract and nothing happens. No cursor, no selection. The page looks like a document and behaves like a photograph — because that is what it is: one image, and every word on screen is part of it. There is nothing to edit because there is no text, only pixels arranged to look like some. Two things still work there: whatever you add sits on top as usual — a signature, a note, a mark, a box that covers something — and some scans already carry a hidden recognised layer behind the image, which is why they can be searched. Making more of a scanned page editable is open work here, and hard; I would rather say that than give you a date. The full explanation, including how to tell the three kinds of page apart, is in Guides. 🔎
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