rich and poor 與 rich or poor的用法比較

比較 rich and poor 與 rich or poor的用法：前者相當于名詞，意為“窮人和富人”“貧富”；后者相當于副詞，用作狀語(表示讓步），意為“不管是窮人還是富人”。如：

Times are hard for rich and poor alike. 這年頭富人和窮人的日子都不好過。

There will be rich and poor for all eternity. 貧富將永遠存在。

Rich or poor, they are all my friends. 不管是窮人還是富人，他們都是我的朋友。

另外，還要注意 between rich and poor 的用法：

With urbanisation the antagonism between rich and poor sharpened. 伴隨著城市化的推進，貧富間的對立情緒也加劇了。

There's a chasm between rich and poor in that society. 那社會中存在著貧富差距。

The developed nations have to recognize the growing gap between rich and poor around the world. 發達國家必須認識到世界范圍內的貧富差距正在不斷擴大。

有時 rich and poor 用于名詞前作定語。如：

Physical capital is a scarce resource in rich and poor countries alike. 不論是在富國還是在窮國,物質資本都是一種稀缺的資源。