Now start making your changes. You will note that all new text passages that you enter are underlined in colour, while all text that you delete remains visible but is crossed out and shown in colour.
现在开始修改。您将注意到，所有新输入的文字段都被加上了彩色下划线，被删除的所有文字仍可见，只是标有删除线且显示为彩色。