贫富
pín fù · HSK 7
poor and rich
贫 (poor) + 富 (rich) = the gap between have-nots and haves
富 — roof 宀 + one 一 + mouth 口 + field 田
Originally a pictograph of a tall jar full of grain or wine under a roof, symbolizing a household with abundant stores. The lower part 畐 depicted the full vessel and also gave the sound, while 宀 (roof) marked the home. Over time the meaning shifted from 'full vessel' to 'wealth, abundance, rich.'