Final answer:
The phrase from 'Contented Concubines' that resembles Neo Beijing's starlight district is 'Starlets dim are yonder peeping', referring to the visibility of stars and constellations in the night sky.
Step-by-step explanation:
The phrase in question from the text Contented Concubines that references Neo Beijing's starlight district could likely be 'Starlets dim are yonder peeping'. The poem describes a celestial scenery where 'starlets', likely meaning stars, are faintly visible in the sky, akin to distant streetlights in a district. The reference to the Pleiades and Orion's band relates to constellations visible in the night sky which could be metaphorically representing a starlight district in a modern or futuristic city like Neo Beijing.