my sister

My sister is YAP SIN YIN and YAP KAR SIN. n i have a good sister she is YAP KAR SIN because she 爱惜我 ani time so i want to thank to my sister.
next,i want say about my YAP SIN YIN she 也 si my good,she help me to do the 功课 so i want to thank my two sister.