These humble people like dust, their silhouettes appear in my sight, their spirits settle in my mind, they often make me feel that this ordinary world is so cute, this scattered world is actually so The tacit understanding, and the seed of life that looks like a grass mustard, is actually so tough and beautiful. What fits the central idea of this passage is:. ['Life is extraordinary but beautiful.', 'Life is beautiful because of ordinary.', 'Life is ordinary and beautiful.', 'Ordinary and beautiful life.']