As we know, there are differences between western culture and Chinese culture．We can see differences when we pay attention to the way words are used．Let’s look at the words about animals and plants．Most expressions in Chinese about the dog, for example, “a homeless dog”, “a mad dog”, “a running dog” and “a dog catching a mouse”, have negative* meanings．But in western countries, dogs are thought to be honest and good friends of humans．In English, people use the dog to describe positive* actions．For example, “you are a lucky dog” means you are a lucky person．A