0 the symbol , used in writing to separate parts of a sentence showing a slight pause, or to separate the single things in a list -- 逗号（，）
Put a comma after the clause.
We usually put a comma after thousands in numbers.
Should I put a comma before the 'and'?
If teachers have ever told you, that you don't put a comma before that, they were right.
When a word or phrase is placed in inverted commas, it allows us a provisional use of it.
One could avoid these examples by extracting only those sentences in which in short is followed by a comma.
Their further decomposition, displayed below, is induced by the couniversal property of the comma construction.
Ternary words are interpreted and handled as tuples in binary modified form, with the zeroes playing the role of commas.
