(pos:區別詞)<explanation>yue:得一層嘅eng:with only one layer or story<eg>yue:單層巴士 (daan1 cang4 baa1 si2)eng:single-decker bus<eg>yue:單層櫃桶 (daan1 cang4 gwai6 tung2)eng:single-layer drawer