Only child
The only child, that is, no family of brothers and sisters, the only child is also known as the single or single child. The world's many advanced countries and regions are the phenomenon of less child, from a lot of couples are only willing to give birth to one or two children, so that more and more children only; the other two children, if one of the early death (usually refers to the Adult), the other will become the only child, of course, after the younger brother and sister are not the case. Mainland China has produced a large number of single children because of the family planning policy imposed on urban residents since the late 1970s. ...