First,putthebutteronasliceofbread.thencutupanonionandatomato.addthesetothebread.next,putsomelettuceandthebeefslicesonthebread.puttherelishonthebeef.finally,putanotherslicesofbresdonthetop
(帮我把这篇文章翻译一下,很急,财富值100.速度,谢谢)