甩 咗 個 certificate aa3
lat1 zo2 go3 certificate aa3
v asp cl L2 sfp
甩 咗 個 certificate aa3 .
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甩 WORD_BOUNDARY 咗 WORD_BOUNDARY 個 WORD_BOUNDARY c e r t i f i c a t e WORD_BOUNDARY a a 3 WORD_BOUNDARY . WORD_BOUNDARY