The first case occupies a separate space.
1, in horizontal writing, the colon occupies the position of a word, in the lower left corner of the grid. You can't put it at the beginning of the line. If the last cell of a line happens to be occupied by text, then this punctuation mark must be marked in the lower right corner of the text.
2. When double quotation marks are used alone, the first half and the second half of the quotation marks each occupy a word position. The first half can be placed at the beginning of the line, but it does not appear at the end of the line, and the second half does not appear at the beginning of the line.
3. When double quotation marks, dashes, ellipses and book titles appear at the same time, they need to be occupied separately. Quotes, brackets, the first half and the second half of the title all occupy the position of a word. The first half can be placed at the beginning of the line, but it does not appear at the end of the line, and the second half does not appear at the beginning of the line.
In the second case, * * * accounts for one case.
When the colon and the first double quotation mark appear at the same time, you need * * * to occupy a space. When the period, question mark and exclamation mark at the end of a sentence appear at the same time as the double quotation marks behind it, it is also * * *.
Function:
1, indicating quotation.
2. Represents a specific title.
3, express special meaning (also negative and ironic).
4. Express concern.
5. Used in discourse.