PPT https://drive.google.com/file/d/1H32kZ5Fcs_ZZ4WgadPzny_AxuMrqDu-n/view?usp=sharing 線上奉獻: https://www.sdtlc.org/chinese/%e7%b7%9a%e4%b8%8a%e5%a5%89%e7%8d%bb/