Left panel: [Ba/Fe] as a function of [Fe/H] for the compilation of CEMP stars from Yoon et al. (2016) down to [Fe/H] = − 6, where CEMP-s stars are shown in blue and the CEMP-no stars in red. The known and new CEMP-no binaries are indicated as yellow and green stars, respectively. Right panel: same, but for A(C) on the y-axis. The solid and dotted black lines indicate the [C/Fe] > +0.7 and [C/Fe] > +1.0 CEMP criteria, respectively. The orange dashed line indicates the separation of the low- and the intermediate-/high-carbon band. For both panels, typical error bars on the abundances are shown in the lower right corner.