sustenance

n.生计

sus (also suss), susceptibility, susceptible, suspect, suspect sb. of, suspend, suspended, suspended animation, suspender, suspender belt, suspenders, suspense, suspension, suspension bridge, suspicion, suspicious, suspiciously, suss, sustain, sustained, suture, suzerain, suzerainty, svelte, SW, swab, swaddle, swaddling-clothes, swag, swagger, swagger-stick (also `swagger-cane), swaggering, swaggeringly, swagman, swain, swallow, swallow up, swallow-dive (Brit) (US swan-dive), swam, swami,