what fish is a rich fish what runs but never walks what has an eye but cat‘s see

1goldfish（金鱼）.
原因：gold（金子）对应 rich（有钱的）.所以把有钱的鱼（a rich fish）戏称为goldfish（金鱼）.
2这道题的全文是 “What Runs But Never Walks,Has A Mouth But Never Speaks,Has A Head But Never Weeps,And Has A Bed But Never Sleeps?”
翻译成中文是 什么只跑不走,有口却不语,有头却不哭,有床却不睡.
答案是river.英文中river runs 没有river walks,有河口(mouth)但是不会说话,有源头（head）但不会哭泣,有河床（bed）但是不睡
3什么东西有一只眼但看不见
A needleA needle 是什么？针眼