Using Commas: Where Commas Belong
先写下记得的内容，再查看解释。不要填写个人信息。
查看解释
A comma is a punctuation mark that separates grammatical units inside a sentence. It clarifies how phrases connect, shows where an introductory setup ends, divides series items, and sets off details that can be lifted out without breaking the main thought.
In the conference room, we discussed the budget, timeline, and staffing.