01.Full Stop / Period
① End a sentence
② Abbreviation（缩写）
: e.g. i.e.(id est => 即，也就是) etc.
: 美式（Mr. Mrs. Dr. AM PM）英式（Mr Mrs Dr a.m. p.m.）
02.Comma
① List
: To make this, you’ll need eggs, flour and sugar. / To make this, you’ll need eggs, flour, and sugar.
② With certain conjunctions（连接某些连接词）
: You can ask her, but I don’t think she’ll agree.
: I won’t be there till ten, so don’t wait for me.
③ Add non-essential information
: Apparently, he’s been suffering from depression for several years.
: Yakutsk, which is in northern Siberia, has the coldest winter of any city in the world.
03.Colon
: I can promise you one thing: you won’t regret your decision.
04.Semicolon
: He’s so stubborn; it’s impossible to convince him to change his idea even a little.
# 上面三个（逗号、引号、分号）都可以在“写作叁”里面找到更加详细的说明
05.Apostrophe 撇号
① Replace a missing letter
: She doesn’t eat cheese.
: You’re right about that.
② Show possession
: Why have you got Dean’s jacket?
: Her mother’s cousin’s son won a Nobel Prize.
③ Letters
: How many m’s are there in a ‘accommodation’?
# 有多少个’m’在’accommodation’里面
06.Hyphens 连接符
① Compound adjectives
: It’s a six-hour flight to Mumbai.
: It was surprisingly tasty for a five-dollar meal.
② With some prefixes 前缀
[ex- self- non-]
: Self-driving cars may become popular one day, but for now the technology is too underdeveloped.
③ Prefix with proper nouns or numbers
: anti-European; post-1950 politics
④ Compound numbers and fraction
: tree-quarters of the population
: twenty-three
07.Dashes # 破折号
- En dash: word1 - word2
- Em dash: word1—word2
① Extra information
: He had escaped—or so he thought.
: The number of stars in the Milky Way—including many which are undetectable—is estimated to be over 400 billion.
08.Speech marks
① Quating what someone said
: he stood up and said “I wouldn’t do it if you pay me a million dollars.”
② Express irony, sarcasm or scepticism
: Paying 100 euros for ‘luxury economy’ was not a good idea!
: Many cities in the ‘special ecoomic development Zone’ are practically ghost town.
③ To refer a words as words
: ‘Millennium’ is a difficult word to spell.
09.Parentheses 括号
① Ading non-essential information to sentence
: Vladimir Mayakovaky (1893 - 1930) was one of the most famous poets of the revolution era.
② Giving your reader options
: Write your suggestion(s) here.
10.Question Marks
: What time is it?
11.Exdamation
: It’s so cold in here!
: What a sunny day! :sun_with_face: