Translated by Google translate:
“人们问我们为什么没有投反对票或没有弃权。但如果我们弃权,其他国家会反对我们,压力会增加。同时,就在今天,决定塞尔维亚的命运——我们是否会 被排除在石油制裁之外——正在制定中,”武契奇周三晚些时候告诉塞尔维亚广播电视台。
Serbia Voted for Russian Expulsion From UNHRC Over Threat of Sanctions – Vucic

"People ask why we have not voted against or have not abstained. But if we abstain, other countries will be against us, the pressure will increase. At the same time, right today, a decision on the destiny of Serbia – whether we will be excluded from the oil sanctions – is being made," Vucic told Radio Television of Serbia on late Wednesday.