Most people agree that the direct, assertive(过分自信的) American personality is a virtue, but it sometimes surprises foreigners. In many cultures, respect for older people or those in positions of authority keeps others from expressing their true feelings. But in the U.S, children often argue with their parents, students may _, and citizens may express opposition to the actions of the government. If the soup has a fly in it or the meat is too tough to chew, the diner can complain to
