Generally speaking
公共 Public一般而言
?? 詞語組成解析
speaking
['spi:ki?]
n. 說話;講話;談話;演講;
adj. 演講的;富于表情的;（肖像）栩栩如生的;雄辯的;
v. 講，談(speak的現在分詞 );
??? 情景例句
What's up?
什么事？
Hello, it's really great to talk about ourselves and get to know each other.
大家好，我們自我介紹并相互認識真是太好了。
So he had gone to the stores and had obtained a fixture that fitted both the tap on the supply line and the end of the air-line.
所以他就到倉庫找到一個既適合供應管也適合供氣管的接頭。