Inter-ethnic racism and racism behavior here is between Americans and Asians.
 "Where are we supposed to go at this hour?" Eleanor asked. "Perhaps someplace in Chinatown?" Ormsby sniffed. These foreigners had wasted enough of his time.
"I think it has something to do with us being Chinese,"
According to the quotation above, there is some discrimination by the receptionist at a well-known hotel against Elenour Young who is an Asian of Chinese descent. The Americans seemed to belittle and carried out an act of discrimination against a group where they had booked a hotel with a luxury room, but they were told that no one had booked on behalf of Elenour Young. They are advised to stay as a family in Chinatown. The receptionist gave such behavior only because she was Asian.
1.2.Racism between the same ethnic.
The racism in the novel Crazy Rich Asians it happens to Rachel Chu. Which was done by Nick's mother Elenour Young, Nick's aunt, and Nick's female friends. The racism that the writer will discuss is the racism of different styles of dress, speech accents, and social classes.
A. Style of the dress.
"Did you see what she was wearing? Where did she get that cheap-looking tunic top---Mango?"
"How can you expect her to have any style? Think she gets it from reading American Vogue? Hahaha."
"Actually, Francesca says that she's not even ABC---she was born in Mainland China!"
"I knew it! She's got that same desperate look that all my servants have."