What are the units of the key?
Key measuring unit:?A single key: a key, such as: a keyA bunch of keys, such as a bunch of keys
Metaphor refers to the person who manages things.39 times in a dream of Red Mansions: "you are your grandmother's master key."."Metaphor refers to the method, means to open the door."Four": Shating checkpoints "left Scarlett get an inspiration, ideas have found the key to the mystery." Ba Jin, "give your heart to the reader": "maybe later, there will be a letter from a reader asking about the secret of writing that I have a master key."." Refer to
Unlocking device."Historical records of Lu Zhonglian Zou Yang biography", "Lu people cast the Tang Zhang Yue" feast of Justice: "Yue, key." Qian Shu Du Guangting "Qiu Ranke biography": "the family from the East Hall lift twenty beds, each with Kam cover. As for Chen, go to his handkerchief, the book key, and the ear." "The Water Margin" Article 54: "the Chinese put the key back to open the door, please Li Kui to sit inside." Bing Xin Superman: "you go and clear up the empty room and lock the door. The key is on the door."!"
