tage,the concept of red and black can be dividedРThe third stage,the name of yellow appears and may also named green at the same timeР The fourth stage,the name of white appearsРThe fifth stage,the name of green appears and may also call blue РThe sixth stage,the name of blue appearsР2.1.1.3 Sapir-Whorf HypothesisРWith the rise of human language,the studies of color words start to use the Sapir-Whorf Hypothesis as the background in the first half of the 20th century.Sapir and Whorf believe that language filters people’s perception and the way they categorize their experiences.The relationship between language and culture is plete without touching on that between language and thought.РNow there are mainly two different interpretations about the hypothesis:a strong version and a weak version