Simplify the following text for a Grade 3 native English-speaking person.
Original: The name is short for Shenjiang Xinbao , Shenjiang being a short form of Chunsheng jiang , the old name for the Huangpu River .
Simplified: The name is short for Shenjiang Xinbao . Shenjiang is a short form of Chunsheng jiang , the old name for the Huangpu River .