词汇	optimal tax
释义	optimal tax 最优税收
随便看	black-headed forest oriole Black-headed Gerygone Warbler Black-headed Gonolek black-headed grosbeak Black-headed Gros-beak black headed gull Black-headed Gull black headed gull meat black-headed gull meat black-headed gulls blackheaded hawfinch Black-headed Hemispingus Black-headed Heron Black-headed Honeyeater Black-headed Ibis Black-headed Logrunner Black-headed Myzomela Black-headed Nightingale Thrush Black-headed Nuthatch Black-headed Oriole Black-headed Pardalote Black-headed Parrot Black-headed Penduline Tit Black-headed Pitta Black-headed Plover