How many a pear which presents a blooming face to the world is rotten at the core. How many an innocent-looking apple is harbouring a worm in the bud. But the orange has no secret faults. Its outside is a mirror of its inside, and if you are quick you can tell the shopman so before he slips it into the bag.

多少梨子外表光鲜亮丽，实则败絮其中；多少苹果外表完美无瑕，但自幼包藏蛀虫。橘子从不藏污纳垢，外表就是心灵的镜子。如果反应够快的话，不等店主把烂橘子偷偷塞进袋子，你就能阻止他。