1, "There is a horizontal line drawn on the cover, and the horizontal line below the text disappears when you enter the text." You can delete the line first, write the text you want to add, and then click the Tools button Underline on the toolbar. If you write directly on the original underline, the underline will disappear.

2. "If you delete the original horizontal lines and underline the words, you can lengthen them to the right, not to the left. Once you are in the middle, the left side is blank and there is no line. " You press the space bar several times after the first word is underlined, and then a large space will be left. After you delete the first word, you can leave a space to the left of the blank, and then you can write casually.

3. I said 1 and 2 can add up to achieve the desired effect.