Li-Fan Chen => YSITD: 「當看到一隻鳥走起來像鴨子、游泳起來像鴨子、叫起來也像鴨子，那麼這隻鳥就可以被稱為鴨子。」[1](http://books.google.com/books?id=PEoti64PICIC&pg=PA7&dq=%22James+Whitcomb+Riley%22+%22when+I+see+a+bird+that+walks+like+a+duck+and+swims+%22&ei=JsHcSejCBoToM7SKge0O)[2](http://books.google.com/books?id=j #598893fa2f64861f8fe0d9c4

Li-Fan Chen says to YSITD

「當看到一隻鳥走起來像鴨子、游泳起來像鴨子、叫起來也像鴨子，那麼這隻鳥就可以被稱為鴨子。」[1](http://books.google.com/books?id=PEoti64PICIC&pg=PA7&dq=%22James+Whitcomb+Riley%22+%22when+I+see+a+bird+that+walks+like+a+duck+and+swims+%22&ei=JsHcSejCBoToM7SKge0O)[2](http://books.google.com/books?id=j

at Tue, Aug 8, 2017 12:23 AM