A standard one. Replacement during the first year if all rules for proper use have been followed.
有一个原则,如果在一年内符合各种使用规定,就可更换。
Such a loss of dignity and descent into childish behaviour on the part of the adults deeply shocks the adolescents,
这种有失身份和孩子气的作法使青春期的孩子大为震惊,