Come of
公共 Public出身于, 由...引起
?? 詞語組成解析
come
[k?m]
vi. 來;開始;出現;發生;
vt. 做;裝扮…的樣子;將滿（…歲）;
int. 嗨！;
of
[?v]
prep. 關于;屬于…的;由…制成;
aux. 助動詞 [非標準用語、方言] =have [主用于虛擬語氣];
??? 情景例句
First, we need to more public relations activities to promote understanding.
首先，我們應該更多地做公關活動以促進了解。
Do you often work out?
你經常鍛煉身體嗎？
What a great party! I really enjoyed it.
聚會好極了！我真喜歡。