What do people throw over couples when they get married?如何翻译

in creat britain people throw away what they do not want. What do people throw over couples when they get married?如何翻译 What do many people do? people,country,do,what,that What do most people use? What do English people use? what do people give?意思 what do we people from for what do people celebrate What do people do on this holiday? What do people usually do at Christmas? what do people usually do on Tancksgivingday? What do people usually do on vacation? What do people usuall do at Easter? what do all your people do What do people do on World Poetry What do people do in Independence Day? what do all your people do