Is dress code necessary

What is good evening in Chinese mandarin? What is personal acquaintance? What is the origin of does the phrase look down at someone? In what manner might this role be performed simultaneously with those of chief diplomat and chief citizen? Do people still use cloth diapers and plastic pants? What does go off mean? Who said it's not what you say but how you say it? What is the meaning of the idiom 'You can catch more flies with honey than with vinegar? Should I send family members a thank you card? What does bano por favor mean in English? Is hosti another way of saying hostess? Which 1 is right.. To whomsoever it may concern or to whom it may concern? Why do people say ello governor? Why wear shorts under skirts? How do you say from Janet and John in French? What is the most meanest word you can say to someone? How do you say 'Please' in Afrikaans? How do you answer to 'comment allez-vous'? How can the word gluttony be used in a sentence? How do you say thanks for the share in French?