official register的用法和样例：
例句
- Your warranty is invalid without an official registration stamp.
您的保固书没盖官方注册章所以无效。 - Through our effort in the past eight years, we make this officially registered brand in China and Europe become the leading brand in Chinese fashionable jewelry industry.
近八年的努力，让这个在中国和欧洲均经过官方注册的品牌，成为了中国时尚首饰行业内部推崇的领导性品牌。
