The new law about safety belts in cars was difficult to enforce at first.
规定系汽车安全
法规开始时是很难实施。
The new law about safety belts in cars was difficult to enforce at first.
规定系汽车安全法规开始时是很难实施。
声明：以上例句、词性分类
由互联网资源自动生成，部分未经过人工审核，其表
亦不代表本软件
观点；若发现问题，欢迎向我们指正。
