If this is coffee, please bring me some tea; but if this is tea, please bring me some coffee.

If this is coffee, please bring me some tea; but if this is tea, please bring me some coffee.

如果这是咖啡，请给我来点茶;但如果这是茶，请给我来点咖啡。

-- Abraham Lincoln 亚伯拉罕·林肯