comma

comma   Dan command

If the names of the city and statenation are in the middle or beginning of a sentence, a comma should also be placed after the statenation

Upgrade your car with a comma 3X comma is building the Android for cars We have an open source driver assistance system that runs on most modern cars  The comma functions as a tool to indicate to readers a certain separation of words, phrases, or ideas in order to prevent misreading the writer's intended

หลันเจี๋ยอิง Rule: Use a comma before a coordinating conjunction when it joins two complete ideas 1 He walked down If you can replace while with as, then it shouldn't have a comma before it It is just a normal subordinating conjunction If you can replace while with whereas