" it depends on if you want to use the adj clause to describe something that everybody has already known . everybody hasn't known Dora . you have to use , that is what i think .
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HongkieDora, as a single mother of two young children, has to struggle for survival. Can I leave out the commas?No. You can't leave them out. The proper noun Dora is already as restricted as you can get. It specifies one person and no other already. So only non-restrictive phrases and clauses can be added, and that means commas are needed