S'porean singers BY2 back home from China to celebrate CNY for

By2 Humming Notes - by2 BY2 ถูกใจ 1987306 คน · 74 คนกำลังพูดถึงสิ่งนี้ 工作邀約請聯絡唯一的郵箱： By2studio@ by2 By2 is a Singaporean duo based in China The duo is composed of twin sisters Miko Bai and Yumi Bai By2 gained attention at the start of their career with

by2 by2 — cz2 — dw2 = 0 , - - these give a twofold value for the ratios y z : w We in fact have by2 - cz2 - dw2 = by3 — cz2