// 易错点3：处理最终结果为空的场景（比如num="10"，k=2）
The Utility Regulator also welcomed the decrease and said it was the result of a fall in wholesale gas costs.，详情可参考WPS下载最新地址
The archaeologists will continue their excavations later this year.，详情可参考heLLoword翻译官方下载
Novo Nordisk said that anyone experiencing side effects is advised to report it to a healthcare provider, as well as to the MHRA's Yellow Card scheme, which is designed to help the agency discover safety issues as soon as possible.