have one's cake and eat it , too
	魚與熊掌兼得 解析：字面上的意思是「有了蛋糕還想吃掉它」。此用法可將結尾之too省略，作為 “have one's cake and eat it”，用來指人的貪心，什麼都要，或是想「兼有兩種矛盾事物的利益」。常用在否定語氣，強調魚與熊掌，不可兼得。 E.g. You can't have your cake and eat it. To gain one thing, you have to sacrifice another. 魚與熊掌，不可兼得。要獲得一件事，就得犧牲另一件事。