People often say that so-and-so and we are from two different worlds. Usually, when they say this, there is a bit of exaggeration, which in language textbooks is referred to as a hyperbolic rhetorical device.
But in reality, sometimes saying this isn't an exaggeration at all.
For example, when rural people think of raising cattle, they imagine a simple cattle shed, and even if the ground is cleaned thoroughly, there would still be bits of cow dung in the corners. No matter how often they help clean the cattle, there's no avoiding little creatures like gadflies and flies, and nearby, there must also be a spot to accumulate cow dung...
Yet in the eyes of some people who are not exposed to rural life, what is raising cattle? Blue skies, white clouds, endless green grass, cattle leisurely swaying their tails and munching on grass, occasionally a cow lifts its head towards the horizon and lets out a long, melodious moo, and lively young calves jumping and playing around...
