(pos:名詞)<explanation>yue:#郵件 收發、分類、遞送嘅事務eng:postal service; postal system<eg>yue:#郵政局 (jau4 zing3 guk2)eng:post office<eg>yue:香港郵政 (hoeng1 gong2 jau4 zing3)eng:Hong Kong Post