2. There are no ","and "~" in English punctuation. In English, titles of books are generally expressed in italics, commas are used when pauses are used, and a half-word line "-"is used to indicate numerical ranges. In English, Arabic numerals are sometimes preceded by "~" to indicate approximation.
3. In this paper, dashes, number range numbers and hyphens are "—"(2 English characters in length) and "—"(65,438+0 English characters), while in Chinese, the corresponding symbols are 65,438+0 times longer: "—"(2 Chinese characters in length) and "—"
4. In English, whether quotation marks are single sentences, phrases, clauses or independent components, commas and periods at the end are enclosed in quotation marks.
There are no spaces before and after punctuation marks in Chinese, but English is different. English dot is not empty in front, but a space behind it; English dash "-",numeric range number "-"and hyphen "-"are not preceded or followed by spaces; There are spaces outside English quotation marks and brackets, but there are no spaces inside.
6. When abbreviations with abbreviations are located at the end of the sentence, a black dot can be omitted, but when ellipsis is located at the end of the sentence, a period cannot be omitted.
7. You can use several hyphens to modify the same noun.
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