I like to study in the library because it's so quiet.
我喜欢在图书馆学习因为那儿很安静。
United's Flight 102 leaves at 9:20.
联合公司的102次班机9点20分起飞。
People who work in offices are frequently referred to as white-collar workers' for the simple reason that they usually wear a collar and tie to go to work.