若說某個(gè)局面是black and white，那意思就黑白分明，很容易判別錯(cuò)與對。
　　例句：
　　I'm really sure about some things. I think free education for all is a black and white issue.
　　The question of nuclear power isn't black and white. Many people believe it is the only way to produce a large amount of clean energy - but many others think it has considerable dangers.
　　注意：
　　短語in black and white的意思是白紙黑字，常用來形容某事被寫下來作記錄。
　　例句：
　　I couldn't believe I had won the lottery, but when I checked my bank statement there it was in black and white: one million dollars!
　　常識補(bǔ)充：
　　Giant pandas are famous for their love of bamboo, and it forms over 90% of the animal's diet. Unfortunately, bamboo has very poor nutritional value, meaning pandas have to consume up to 20kg each day to survive.
　　眾人皆知大熊貓喜愛竹子，熊貓的食物超過90%都是竹子。不過可惜的是，竹子的營養(yǎng)價(jià)值很低，所以為了生存，熊貓每天得吃20公斤左右的竹子才能確保營養(yǎng)平衡。

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